Definition of crack in English:

crack

noun

  • 1A line on the surface of something along which it has split without breaking apart:

    ‘a hairline crack down the middle of the glass’
    • ‘He walked around the barracks until he found a small crack in the wall.’
    • ‘He held his right hand up, looking into the cracks and creases that lined it.’
    • ‘I can feel the cracks in the pavement through the soles of my shoes.’
    • ‘There was plenty of light, no dust, no cracks in the ceiling, nothing.’
    • ‘It's surface was not impressive; cracks ran along the wall and the paint was slowly being peeled off by the weather.’
    • ‘She was satisfied to see a tiny crack begin in the corner.’
    • ‘Now I could see the cracks in the sidewalk clearly.’
    • ‘He walked, with his head down staring at the cracks in the sidewalk.’
    • ‘The single fracture was visible as a fine crack spiralling from one facet edge all the way to the centre of the stone.’
    • ‘I ran my finger along the cracks in the wall as I walked.’
    • ‘Small hairline cracks can be repaired by simply spreading compound over them and sanding them smooth.’
    • ‘When I picked the element off the floor I could see it had developed a hairline crack at the base.’
    • ‘Calmer now, Jack stepped over to the window and drew a line along the crack with his bare finger.’
    • ‘Its engineers have now confirmed that there are 1850 rails with hairline cracks.’
    • ‘An apartment on the sixth floor has serious vertical cracks in its walls.’
    • ‘She almost rejoiced when she saw a crack begin to appear in the surface of the glass.’
    • ‘I noticed a small crack in the glass door.’
    • ‘A hairline crack appeared in the floor, heading towards the darkness.’
    • ‘And it takes experience to be able to differentiate natural cracks from engraved lines.’
    • ‘I looked down at the grey footpath, stepping over the cracks in the pavement.’
    split, fissure, crevice, break, fracture, rupture, breach, rift, cleft, slit, chink, gap, cranny, interstice
    View synonyms
    1. 1.1 A narrow space between two surfaces which have broken or been moved apart:
      ‘he climbed into a crack between two rocks’
      ‘the door opened a tiny crack’
      • ‘A jagged crack shot through the ice and water gushed up in jets and spurts.’
      • ‘Large cracks ran up along the old wood, clearly showing its age.’
      • ‘Only a small source of light came in through the cracks in the ceiling.’
      • ‘He could see all the cracks and lines in them, made clear by the hot and dry sun.’
      • ‘The terrain is easy to move over, hard mud with deep narrow cracks, easy to cross, but wide enough to hide in.’
      • ‘Most rocks and soils are traversed by cracks along which water can flow much more easily.’
      • ‘I rolled over, seeing sunlight filtering through cracks in the walls.’
      • ‘The guards opened the slightest crack in the door enough for her to slip through and beckon her closer.’
      • ‘As soon as the slightest crack was opened, the being started to move toward it.’
      • ‘As we follow the crack along we find more lobsters every few metres, lurking in their terraced cottages.’
      • ‘There was not a mark of green anywhere not even between the cracks and lines.’
      • ‘While I was checking that out, I noticed that there was a crack in the gas line, and it was leaking.’
      • ‘An easy scramble led to the base of a 20 ft wall that was split by a wide crack.’
      • ‘It seemed safer to escape through one of the many cracks running along the base of the wall.’
      • ‘Evidently the shower head is leaking and has caused a crack in our ceiling.’
      • ‘The High Judge pushed open a crack in the door, beckoning the prince to exit.’
      • ‘The mould may not yet be broken, but the crack is dramatically widening.’
      • ‘He described the source of the leak variously as a split or splice or crack along the length of the tube.’
      • ‘Glancing at the crack along the edges of his door, the light outside was brightening.’
      • ‘The most common repairs are filling cracks and repairing surface damage.’
      • ‘The hairline crack split wider as a burst of green energy shot forth through it.’
      split, fissure, crevice, break, fracture, rupture, breach, rift, cleft, slit, chink, gap, cranny, interstice
      View synonyms
    2. 1.2 A vulnerable point; a flaw:
      ‘the company spotted a crack in their rival's defences’
      • ‘Contempt poured from cracks in his professional facade.’
      • ‘The economic weakness came on suddenly and has exposed some cracks in the financial system.’
      • ‘But, when you look carefully at each tiny detail, the cracks within your soul most certainly show.’
      • ‘There are certain bands that have more or less fallen through the cracks of critical analysis.’
      • ‘Slight cracks began to show and Keswick grabbed a goal, scoring from close to the back post.’
      • ‘UNICEF estimates that five million Thai children have fallen between the cracks of the education system.’
      • ‘They saw the flaws and cracks in the system. [But] we have to move on and think beyond one man.’
      • ‘Still, the current fiscal crisis reveals the cracks in the system's foundation.’
      • ‘It's going to find its way through the cracks in the system.’
      • ‘I've had to stop trying to look for cracks and flaws to prove that it's not as good as it seems.’
      • ‘Many fell through the cracks of the system, landing in jail or on the streets.’
      • ‘Cracks start appearing in Victor's near-perfect facade, cracks that are directly linked to his ambitions.’
      • ‘His escaping further punishment could cause cracks in party unity.’
      • ‘By day four the cracks were beginning to show and tiredness led to injuries.’
      • ‘It's a backhanded reassurance, one that allows for cracks of doubt in the organization's trust-us mentality.’
      • ‘He wanted to find a crack, something left vulnerable between the duo.’
      • ‘Unfortunately, the PSA department was not in the right hands, and by 1967, the cracks in the system had begun to show.’
      • ‘They fear a major crack in the system and the consequences it will bring - not only for themselves - but the entire estate.’
      • ‘The more rigid the character, the more you can notice the cracks in the foundation.’
      • ‘Both events, both images, represented cracks in a system that can no longer exist.’
  • 2A sudden sharp or explosive noise:

    ‘a loud crack of thunder’
    • ‘She landed with a loud thud and a crack came from her ankle.’
    • ‘Nick heard the crack of his bone splintering as a searing pain shot through his face.’
    • ‘Soon great swathes of the countryside were closed off, and the emptiness echoed to the crack of gunfire as animals, many of them healthy, were slaughtered.’
    • ‘The sharp crack of their rifles echoes through the humid Georgia night, evoking cries of alarm and warning from the encampment ahead.’
    • ‘Lightning flashed again outside, followed quickly by a loud crack of thunder.’
    • ‘He winced when a twig snapped with a loud crack beneath his foot.’
    • ‘The explosive crack of a bullwhip can frighten cattle into a pen and even keep lions and tigers at bay.’
    • ‘Nothing penetrated the silence except for the occasional crack of a twig or the rustle of leaves.’
    • ‘There was a crack, louder than the sound of her wrists snapping, then a thud.’
    • ‘Five minutes later, Veronica heard three loud cracks of gunfire.’
    • ‘A loud crack was heard above the cheering in the packed pub and 47-year-old Paul let out a yelp.’
    • ‘As they lay there, another crack of a twig came from across the cave.’
    • ‘Something hits my right arm, and I hear the crack of a broken bone.’
    • ‘A thunder crack sounded and the rain started to come down.’
    • ‘I'll miss the sound of the crack of the bat and roar of the crowd.’
    • ‘Lightning lit the summer sky, quickly followed by a deafening crack of thunder.’
    • ‘She was thrown through the air and hit the pavement with a sickening crack.’
    • ‘A sickening crack echoed through the air and I felt my stomach lurch.’
    • ‘"Do you think… " another crack echoed around the room as Suze continued.’
    • ‘Suddenly, he heard a loud crack of thunder.’
    bang, report, explosion, detonation, clap, pop, snap, crackle, knock, tap, clash, crash, smash, smack
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    1. 2.1 A sharp audible blow:
      ‘she gave the thief a crack over the head with her rolling pin’
      • ‘What Montgomery conceived was a one-two punch, a British blow followed by an American crack.’
      • ‘My dad would get the report from our mother, make his way into our room, take off his belt, and deliver the requisite number of cracks.’
      blow, bang, hit, punch, knock, thump, rap, bump, thwack, smack, slap, welt, cuff, box
      View synonyms
    2. 2.2 A sudden harshness or change in pitch in a person's voice:
      ‘the boy's voice had an uncertain crack in it’
      • ‘I asked defiantly, trying to get rid of the crack in my voice.’
      • ‘‘Friends and visitors,’ the old man booms with a crack in his voice that betrays his age.’
      • ‘She said it, imitating a small crack in her voice, as she had heard Tyron's voice do all too often now.’
      • ‘Singing in English at the impossibly low volumes she favors, syllables are often lost as her voice shows fine cracks.’
      • ‘In the confidence she tried to show with her sentence, her voice made the faintest crack.’
      • ‘The message had to be delivered clearly and firmly - no cracks in the voice, no wandering eyes, no apologies.’
      • ‘He adopts a half-sob crack in the voice with monotonous repetition.’
      • ‘She contended in a defiant whisper just above the crack in her voice.’
      • ‘She smiled half-heartedly, although she clearly heard the crack in his voice.’
      • ‘The bottom lip started going and there was a crack in my voice.’
      • ‘He was inwardly cringing at the slight crack in his voice.’
  • 3informal A joke, typically a critical or unkind one:

    ‘he knew about the gossip and would make the odd crack’
    • ‘They continued to lazily watch Stine, exchanging cracks and small jokes about the dog.’
    • ‘Englishmen walked tall through the streets, refusing to be drawn in by the traditional cracks and sneers.’
    • ‘My wife says I cannot tell a joke, but I can make off-the-cuff cracks that have been known to elicit the occasional chuckle.’
    • ‘He makes a further crack about his rival's empty posturing.’
    • ‘Sure they toss cracks at so called ‘nerds’ but all in joking, nothing serious or near as intense as what they put me through.’
    • ‘When he explains that the crack about encouraging homemakers to become lawyers was a joke, she chides him about his tone.’
    • ‘These gave him a chance to drop names, review an adventurous life, and get in a few cracks about the ignorant press.’
    • ‘Nick makes a crack about her driving, she makes the shot, and the alarm goes off.’
    • ‘There were all sorts of cracks and jokes about diving off wardrobes etc.’
    joke, witticism, funny remark, witty remark, jest, quip, pun, sally, pleasantry, epigram, aphorism
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  • 4Irish [mass noun] Enjoyable social activity; a good time:

    ‘he loved the crack, the laughing’
    • ‘The town prides itself in being a festival meeting, with plenty of craic on the streets and in the pubs at night.’
    • ‘They were widely known in former times, larger than life and a family who always enjoyed the crack and banter.’
    • ‘He always liked to come back to Ballindine and have the crack and banter with the locals.’
    • ‘There was good food, good music and plenty chat and craic and a most enjoyable night was had by all.’
    • ‘For the crack and banter and meeting old acquaintances, no journey was too far for the inimitable Tom.’
    • ‘This is a very popular event with plenty of entertainment and craic on the night.’
    social gathering, gathering, social occasion, social event, social function, function, get-together, celebration, reunion, festivity, jamboree, reception, at-home, soirée, social
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    1. 4.1Northern English, Scottish [count noun] A conversation:
      ‘they are having a great crack about shooting’
      discussion, talk, chat, gossip, tête-à-tête, heart-to-heart, head-to-head, exchange, dialogue, parley, consultation, conference
      View synonyms
  • 5informal [in singular] An attempt to achieve something:

    ‘I fancy having a crack at winning a fourth title’
    • ‘I think they quite fancy having a crack at it, even if it is only for part of the tournament.’
    • ‘If somebody's having a crack at the nuclear program I hope they know what they're doing.’
    • ‘Two points later he had a crack at a second serve from Federer and took a big swing.’
    • ‘On Saturday, I thought I'd have a crack at repairing the shifter.’
    • ‘Our greatest living portraitist, Lucian Freud, had a crack at it in 2001.’
    • ‘This might have been a call to far, but I will have a crack at it.’
    • ‘Because some people have come forward with an interest in writing my biography, I thought it might be no harm to have a crack at it myself.’
    • ‘I've had a crack at taking some more pics, some have turned out OK.’
    • ‘He has had a crack at cinema as well, grabbing a role in a Hollywood production dubbed Jungle Boy.’
    • ‘I've had a crack at science in all popular media and now work more in print than the medium I love most, radio.’
    • ‘If you've fancied having a crack at catching a real shark, then go for the blues and don't think twice about it.’
    • ‘Stefan hopes to eventually attempt both the North and South Pole and finally have a crack at Everest.’
    • ‘Having got his hands on the English title belt last year, he is chasing a crack at Scott Dann's British crown.’
    • ‘Too often I am sent a problem far too late to do much but sympathise, and wish I could have had a crack at the trouble earlier.’
    • ‘Lastly, the youngsters had a crack at a 7m indoor climbing wall under the supervision of the ever-watchful PTIs.’
    • ‘I'd had a crack at reading it a couple of years ago, but never really got anywhere.’
    • ‘Perhaps it's true that no story is complete until all involved have had a crack at telling it, but then again, maybe not.’
    • ‘He will be catapulted closer to his second crack at the lucrative belt.’
    • ‘Isn't it better to have a crack at getting, like, a few, pretty-good policies in place?’
    • ‘Latter-day biographers and armchair psychologists all had a crack at why he liked to drink so much.’
    attempt, try, effort, endeavour, venture
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    1. 5.1 A chance to attack or compete with someone:
      ‘he wanted to have a crack at the enemy’
      • ‘We want to do well in the Trophy and it would be great if we could get through this round and have a crack at one of the Conference clubs.’
      • ‘Previous old Labour governments had neither the clout nor the guts nor the majority to have a crack at their traditional hate-figure of the rural Tory.’
      • ‘All that has been accomplished tonight is that one party have vented their spleen by trying to have a crack at another.’
      • ‘He's back for another crack after our recent criticisms of his work.’
      • ‘So we'll be having a crack at the gits who flout all the traffic laws that the coppers haven't got time for.’
      • ‘I tell her, in case she wants to have a crack at us on this, that our stand is well understood and is very popular.’
      • ‘Graham has even promised to throw a couple of trainer wheels on a bike for me and reckons he has a 57 year old Kiwi who would like to have a crack at me.’
      • ‘‘He's dangerous,’ says Bungu, who opted to have a crack at the combative Yorkshireman.’
      • ‘then you may as well have a crack at a test, if only for the heck of it.’
  • 6[mass noun] A potent hard crystalline form of cocaine broken into small pieces and inhaled or smoked:

    ‘he uses crack and cocaine’
    [as modifier] ‘a crack dealer’
    • ‘I have tried, time and again, but I cannot free myself from an addiction that has as firm a hold on me as heroin, cocaine or crack.’
    • ‘Those who test positive for heroin, cocaine or crack cocaine will be offered the opportunity to enter treatment.’
    • ‘They'd wreak havoc with all the crack in my system.’
    • ‘He looked like a singer on crack, and pitched his unfunny jokes to an unreceptive crowd.’
    • ‘Both cocaine and crack are very addictive - and very, very dangerous.’
    • ‘Many try to avoid this depression by smoking either more crack or heroin to calm down.’
    • ‘Pot dealers report that there has been no discernible increase in trafficking of the harder drugs - crack, cocaine, and heroin.’
    • ‘The most popular drugs used by this group were cocaine and crack.’
    • ‘Cocaine and crack cocaine were used by only a small minority of women in each group.’
    • ‘This suggested that marijuana use was not a necessary precursor to use of crack, powder cocaine, or heroin.’
    • ‘Connecticut is currently one of thirteen states with major crack and powder cocaine sentencing distinctions.’
    • ‘The use of cocaine and crack is also on the increase, according to the report.’
    • ‘His father drifted in and out of jail, and his mother blew welfare checks on crack.’
    • ‘He asked them to instead concentrate on heroin, cocaine and crack cocaine.’
    • ‘Unable to break the hold crack had on her life, she wheedled every cent she could out of the people around her.’
    • ‘Arrestees were more forthcoming with their heroin and marijuana use than they were with their crack or power cocaine use.’
    • ‘How can you say that loose cocaine doesn't matter when you can't make crack without loose cocaine?’
    • ‘It will currently include, among many other substances, cannabis, heroin, cocaine, crack, LSD and ecstasy.’
    • ‘Basically ice is to amphetamine powder what crack is to cocaine, very powerful.’
    • ‘They were accused of dealing in powdered cocaine, but crack was the local drug of choice.’

verb

  • 1Break or cause to break without a complete separation of the parts:

    [no object] ‘the ice all over the bog had cracked’
    [with object] ‘take care not to crack the glass’
    • ‘The glass cracked right down the middle of the photo frame.’
    • ‘A twig cracked under the weight of her boot.’
    • ‘Luckily the glass cracked and did not shatter, the door was very heavy and I was very lucky not to be hurt.’
    • ‘Mark kicked the glass and it cracked, he kicked again breaking it.’
    • ‘If the stone surface cracks, you need to replace the entire countertop.’
    • ‘I put a glass of water outside just to see what would happen; not only did it freeze within minutes, but the glass cracked as well.’
    • ‘I grasped his hands in mine, so tightly they almost cracked under the pressure.’
    • ‘The stone cracked some of the pathway, and another soon fell behind her, startling her slightly.’
    • ‘The pavement around the Market Cross is in a dangerous condition, with paving stones cracked and worn.’
    • ‘Tile can be difficult to save as they are mostly glass and could crack and fly off in pieces.’
    • ‘The town hall lost two bollards and a litter bin, railings, and a large stone pedestal has been cracked.’
    • ‘The conditions here can be so dry that even the best plastic cracks and breaks after a few years.’
    • ‘The windows of the throne room blew open with such force that the glass cracked.’
    • ‘Headlights shattered and windshields cracked, the place was a disaster.’
    • ‘All that was salvaged from the ruin was a brass barometer with its front glass cracked.’
    • ‘He punched the door with his right fist, cracking the orange tinted glass.’
    • ‘I heard glass cracking and looked toward Emily, she was standing up.’
    • ‘The council told him the bays would then overlap the paving stones, which would crack under the weight.’
    • ‘Generally, stone slabs should not crack if they are laid correctly.’
    • ‘I thought it was broken and cracked down the middle!’
    • ‘To prevent glass or plastic from cracking, do not use hot water.’
    split, fracture, fissure, rupture, break, snap, cleave
    View synonyms
    1. 1.1 Break or cause to break open or apart:
      [no object, with adverbial] ‘a chunk of the cliff had cracked off in a storm’
      figurative ‘his face cracked into a smile’
      [with object] ‘she cracked an egg into the frying pan’
      • ‘One last smash against the wall cracked apart the top of it, and a creature came into view.’
      • ‘I glared at him but ended up cracking a smile.’
      • ‘It was as if someone had cracked open an egg on the top of my head.’
      • ‘I cracked apart the wings of my cookie and slid out the fortune: Look for love where you least expect it.’
      • ‘Megan cracked open an egg and spilled its contents into a frying pan.’
      • ‘The hot pink nail polish cracks and breaks off into my mouth.’
      • ‘The machine's arms lifted up, grasping it's head, rock and stone cracking and falling off in large boulders.’
      • ‘He laughed and I pretended to be offended, but ended up cracking a smile anyway.’
      • ‘One of the claws broke in the attempt to lift the submarine, and a large section of its hull cracked off and fell back to the ocean floor.’
      • ‘Before his eyes, it cracked down the middle and shattered into a thousand pieces.’
      • ‘The chocolate cracked like an Easter egg when the spoon went through it.’
      • ‘I cracked the eggs open, and started cooking them.’
      • ‘Gabrielle finally cracked a small sheepish smile and slid down beside him gingerly.’
      • ‘The plates continue to spread apart, the crust cracks again, another eruption of lava occurs, and another dike forms.’
      • ‘Her eyes began to crack open, her consciousness returning.’
      • ‘Later, when you've cracked apart that final crab claw, you see her notice you in the mirror over the lobster tank.’
      • ‘Its superstructure began to fissure and crack apart from the concentrated barrages.’
      • ‘The child whose egg stays intact while cracking everyone else's eggs wins the game.’
      • ‘I reached out to touch the one unbroken egg and as soon as my fingertip made contact it cracked open.’
      • ‘The concrete finally cracked apart and the wigwam tipped right over.’
    2. 1.2[with object] Break (wheat or corn) into coarse pieces.
      • ‘If you don't have access to a grinder to crack wheat for cereal, you can cook the wheat kernels.’
      • ‘There is also a kit for a processor that can crack corn and remove seeds from cotton with simple attachments.’
      • ‘They can churn butter, crack corn and feed it to the chickens, and tend the garden.’
    3. 1.3 Give way or cause to give way under torture, pressure, or strain:
      [no object] ‘the witnesses cracked and the truth came out’
      [with object] ‘no one can crack them—they believe their cover story’
      • ‘In the face of such a dual role, it could be quite easy to crack under the pressure.’
      • ‘Decentralised modes of industrial relations are cracking under the strain of deregulation and globalisation.’
      • ‘‘Robust scoundrels’, although guilty, would not crack under torture.’
      • ‘After his early promise first shown at the Monte Carlo Masters, he cracked under pressure.’
      • ‘Perhaps most of us would crack under such pressure.’
      • ‘We cracked under the pressure of the regular season.’
      • ‘A decorated Gulf War veteran, he was moulded into a killing machine, but cracked under the pressure of war.’
      • ‘Many believe that the Executive have, nonetheless, created an almighty sledgehammer to crack a few bad eggs.’
      • ‘Some had cracked under the pressure and walked out in the middle of rehearsals.’
      • ‘Then, with two hours work under my belt, my resolve cracked.’
      • ‘Within a few years, this class fissure helped to crack apart American solidarity.’
      • ‘Even he cracked under the pressure of the kinds of policies that the National Party tried to introduce.’
      • ‘Bachelet, however, did not crack under torture.’
      • ‘Finally, and despite my best intentions, my will cracks.’
      • ‘At the beginning of the summer Towey's system cracked under the strain.’
      • ‘Every now and then you hear stories of girls who crack under the pressure.’
      • ‘His countenance almost cracks for a moment, but he manages to hold it together against tremendous odds.’
      • ‘Better yet, imagine that it could be your arm-waving or catcalls that make a contender crack and blow his game sky-high.’
      • ‘Clearances were being returned instantly and, under relentless pressure, their defence cracked.’
      • ‘Certainly the most disturbing development as the crime insurgency continues is the appearance of the police cracking under strain.’
      break down, give way, cave in, crumble, collapse, go to pieces, lose control, yield, succumb, founder
      View synonyms
  • 2Make or cause to make a sudden sharp or explosive sound:

    [no object] ‘a shot cracked across the ridge’
    [with object] ‘he cracked his whip and galloped away’
    • ‘I wanted to slap them both so hard that my knuckle cracked as I tighten my hands in fists.’
    • ‘She cracked her whip, and it hit the carrot out of its hand.’
    • ‘The lash cracked in the air, the sharp sound waking all the slaves from their torpor.’
    • ‘He heard the ice cracking, the sound traveling up through the soles of his feet.’
    • ‘She stretches, her stiff joints snapping and cracking loudly, sounding just like a firecracker when lit.’
    • ‘There was some short guy standing on the right end of the line, cracking his knuckles trying hard to look intimidating.’
    • ‘Sabriel swiftly stepped forward and socked Darius soundly across the face, punching him so hard that her knuckles cracked.’
    • ‘Suddenly, the sound of two bullets cracked through the air.’
    • ‘She scrambled up the ladder and shots cracked from guns and ricocheted off metal and pocked brick wall.’
    • ‘He yawned, stretching, and there was a popping sound as his spine cracked into place.’
    • ‘She whispered something into his ear and he cracked the whip even harder so it seemed to rattle around Taira's head.’
    • ‘She put down her ridiculous hammer and cracked her knuckles.’
    • ‘Yashi laced his fingers together, pulling hard until his knuckles cracked.’
    • ‘Each sound is rendered in precise detail - bullets crack as they pass your head and thud wetly as they enter your body.’
    • ‘I was ripped from my thoughts at the sound of pebbles cracking and moving on the road… a carriage.’
    • ‘Another shot cracked through the silence, and over in the trees the birds scattered.’
    • ‘When the gun shot cracked through the air, I snapped into actions right away.’
    • ‘Then Stern took the reins and cracked the whip even harder.’
    • ‘The shot rang out, cracking loudly and landing in an unknown spot.’
    • ‘The sound cracked in the air every few seconds.’
    go bang, bang, pop, snap, crackle, crash, thud, thump, boom, ring out, clap
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    1. 2.1[no object] Knock hard against something:
      ‘she winced as her knees cracked against metal’
      • ‘Song's head cracked hard on the floor next to the welcome mat.’
      • ‘Maondrid cracked his head against the ground again, hard.’
      • ‘He may have been able to catch himself before he fell and cracked the back of his head on the hard concrete.’
      • ‘She found herself falling hard, the floor cracking against her ribs and back.’
      • ‘She fell back onto the sidewalk, cracking her head on the hard concrete.’
      • ‘She twisted around and threw Fayer down into the ground so hard his head cracked against the pavement.’
      • ‘Had he not been quick to get his hand under her neck she would have cracked her skull on the hard ground.’
      • ‘His toe cracked against something hard and out of place.’
      • ‘She severely cracked her knee, and also gashed her jaw.’
      • ‘I jumped a bit at the sound of her hand cracking across his cold cheek.’
      • ‘Her legs gave way and she fell, knocking the wind out of her lungs and cracking her head against the hard, tiled floor.’
      • ‘Then something hard and cold cracked against his head causing such an explosion of light and pain behind his eyes that it nearly took him under.’
      • ‘The soft grass cushioned them, but Dusty managed to roll further than the others and crack his head against hard packed dirt.’
      • ‘I crack my chin on the hard tiles and bite my tongue; the metallic taste of blood is in my mouth, the pain sharp and stinging.’
      • ‘His head cracked against the paving stone, and his vision exploded before his eyes.’
      bump, bang, hit, strike
      View synonyms
    2. 2.2[with object] Hit (someone or something) hard:
      ‘she cracked him across the forehead’
      • ‘While I bent down the door swung to and cracked me hard on the forehead.’
      • ‘I realised he wasn't breathing, so I turned him over face down across my arm and cracked him really hard on his back a couple of times.’
      • ‘And that's when I cracked him again, a sucker punch that knocked the wind out of him.’
      • ‘Rory Hurley cracked home a vicious shot to give Pat's the lead.’
      • ‘Willie Wilson then cracked in a shot, which Reid did brilliantly to tip over the bar to deny the Fifers.’
      • ‘They want to see the police ‘go in hard and crack some heads on the terraces’.’
      hit, strike, beat, thump, hammer, knock, rap, pound, thud, punch, bump, thwack, smack, slap, slam, welt, cuff, pummel, buffet, box someone's ears
      View synonyms
    3. 2.3[no object] (of a person's voice) suddenly change in pitch, especially through strain:
      ‘‘I want to get away,’ she said, her voice cracking’
      • ‘But then why are there tears in my eyes and why did my voice crack?’
      • ‘I degraded myself for letting him catch me like that and than letting my voice crack.’
      • ‘I heard his voice crack as he rocked me in his arms.’
      • ‘‘I need you to walk over to my house, get my car and come get me,’ I could hear my voice crack.’
      • ‘Then, I heard her suddenly shut up and her voice crack.’
      • ‘The story takes Pat Williams back almost 23 years, and even now, his voice cracks and quivers over the telephone as he tells it.’
      • ‘The riffs flew effortlessly off his fingers, and he sang harmony without having his voice crack.’
      • ‘The microphones in the box were full of static, making Cameron's voice crack and differ in volume.’
      • ‘I could swear I heard his voice crack at ‘killing’, but I refrained from going to comfort him.’
      • ‘Allie whispered in instinctive response, fright clogging her throat, making her voice crack.’
      • ‘Hannah yelled into the phone, anger making her voice crack.’
      • ‘Bryson looked down and when he finally spoke, I could have sworn that I heard his voice crack.’
      • ‘It took every effort she had not to let her voice crack.’
      • ‘I took the information from him, nervously listening to his voice crack, and called an editor.’
      • ‘She was annoyed with herself, when she heard her voice crack miserably at the end.’
      • ‘Manny was surprised to hear his voice crack and feel tears at his eyes.’
      • ‘I felt my voice crack, but I continued, trying to go on without wavering, which was extremely hard.’
      • ‘‘Um yeah I'll be out in a minute,’ Cassie quickly answered hearing her voice crack.’
      • ‘I yelled, my voice cracking and squeaking through my panic.’
      • ‘I felt my voice crack with the formation of a tingling knot in my throat and I immediately fell silent.’
  • 3informal [with object] Find a solution to; decipher or interpret:

    ‘the code will help you crack the messages’
    • ‘Shouldn't a code have at least 4 or 5 different figures to make it really hard to crack?’
    • ‘In general, the longer the password and the more complicated it is, the more difficult it is for an unauthorized person to crack it.’
    • ‘Now, the eyes of the world are back on Durban for a conclave on another hard nut to crack: racism.’
    • ‘This may make it a little harder to enter your password but it makes it a lot harder for anyone else to crack it.’
    • ‘The team will be hard pushed to crack this scam as the practice appears to have been arbitrary.’
    • ‘Most new garage door openers have built-in security codes that are hard for crooks to crack electronically.’
    • ‘Well, up until this point, you would think, listening to everything that we've heard so far, that it is going to be tough to crack this person.’
    • ‘You'll be pleased to know that the only criteria for entry is a basic level of literacy - no codes to crack, no hard questions.’
    • ‘These views were just as hard to crack as the idea that there is no alternative to capitalism.’
    • ‘When they talk of ‘tradition’ the code is not hard to crack.’
    • ‘Several complications that make work hard for the scientist/detectives trying to crack this case.’
    • ‘The crew might find cracking old cases harder than counting snowflakes in a blizzard.’
    • ‘This might be a hard fact to crack, but you're growing up - and fast!’
    • ‘Otherwise, you're making it much easier for someone to crack your code.’
    • ‘The forces had succeeded in breaking all their other codes, and it was hoped that this would prove much harder to crack.’
    • ‘Logan had been a hard case to crack but it had been well worth it.’
    • ‘It proves to be a hard case to crack, both experimentally and theoretically.’
    • ‘Certainly Chechnya is a devilish hard case to crack.’
    • ‘We've now discovered another challenge that may be harder to crack.’
    • ‘The lyrical logic is hard to crack, but the record proves maddeningly infectious.’
    • ‘A 2048 bit key would be exponentially harder to crack.’
    solve, find an answer to, find the answer to, find a solution to, find the solution to, resolve, work out, puzzle out, fathom, find the key to, decipher, decode, break, clear up, interpret, translate, straighten out, get to the bottom of, make head or tail of, unravel, disentangle, untangle, unfold, piece together, elucidate
    View synonyms
    1. 3.1 Break into (a safe).
      • ‘Safes are just as hard to crack in a bank as they are in a house; network security products are highly dependent on their environment.’
      • ‘He'll make you a safe nobody can crack.’
      • ‘It takes him but two hours to crack the safe and remove its ill-gotten contents.’
      • ‘A tourist attraction will invite visitors to race a motorised gondola, crack a safe and save the world by defusing a bomb.’
      • ‘The robbers cracked the first safe's combination, and inside they found only a bowl of vanilla pudding.’
      • ‘If winning a league demands a knack for cracking safe combinations then winning a cup is all about picking pockets.’
      • ‘Will blinked the sweat out of his eyes as he worked furiously on cracking the safe.’
      • ‘It is extremely unlikely that he would crack a safe without leaving fingerprints.’
      • ‘They are hired to crack a safe, photograph the contents of a locked briefcase inside, and return it to the owner without him knowing.’
      • ‘Police didn't get wind of the robbery until nearly midnight, six hours after the safe was cracked and cleared.’
      • ‘She cracks safes as well as her father.’
      • ‘On these trips Fred learned many skills such as picking locks and cracking safes.’
      • ‘And, if he had to worry about beating the box, would he be able to crack the safe without zoning out?’
      • ‘As she finished cracking the safe, she glanced around the office, still fighting back the feeling of unease.’
      • ‘Danny strolls around town, going places he shouldn't by lock-picking doors and cracking safes.’
      force open, break open, prise open, open without a key, break into
      View synonyms
  • 4[with object] Tell (a joke):

    ‘he cracked jokes which she didn't find very funny’
    • ‘Vaughn cracks many jokes, but the bulk of the commentary is devoted to stories and behind-the-scenes tales of the film.’
    • ‘She sings, hosts a talk show and often cracks jokes for her audience.’
    • ‘He only smiled occasionally and that's only when Darren cracked a really funny joke.’
    • ‘The guy doesn't even crack many jokes: these things speak for themselves.’
    • ‘Befriend them, be nice to them, tell them their hair looks nice, crack the odd risqué joke, flirt with them a little.’
    • ‘Sometimes he even cracks jokes and indulges in informal attitudes.’
    • ‘He comes in, looks around, mumbles about my wires and cracks some really bad jokes.’
    • ‘We all crack jokes, we all take care of each other, we're all loving.’
    • ‘And even the photographer was so pleased; he even cracked a few lame jokes.’
    • ‘He cracked a few jokes as he became comfortable with the podium.’
    • ‘Phil has a joking personality, and always cracks jokes.’
    • ‘And there was nothing else he could do, he cracks, lest he sound too spiritual.’
    • ‘In this theatre-dance piece, Langfelder dances, cracks jokes and zips around.’
    • ‘For example, he often cracks jokes to relieve unresolved anger, he says.’
    • ‘She couldn't be sarcastic and crack jokes when it's not appropriate, that's just not who she is.’
    • ‘Stefan is volatile and often cracks bad puns, and also has a hatred of fashion.’
    • ‘They didn't even crack their usual jokes as the beginning of practice.’
    • ‘I'm just about to crack a rather forced joke to her when something over her shoulder catches my eye.’
    • ‘Hang on, weren't we cracking the same joke last year?’
    • ‘He never smiles during games and what's even more surprising is that he never cracks jokes during post-match interviews.’
  • 5[with object] Decompose (hydrocarbons) by heat and pressure with or without a catalyst to produce lighter hydrocarbons, especially in oil refining:

    ‘catalytic cracking increases gasoline yields’
    • ‘Amorphous alumina-silica composites are used to crack or split hydrocarbon chains in petroleum refining.’
    • ‘During the 1930s, catalysts were introduced to promote chemical reactions during cracking.’
    • ‘One of the important reactions in oil refinement is hydrocarbon cracking.’
    • ‘Methanol and ethanol are most commonly derived from cracking petroleum into smaller hydrocarbons.’
    • ‘Palladium catalysts are used in refining and cracking petroleum.’

adjective

  • [attributive] Very good or skilful:

    ‘he is a crack shot’
    ‘crack troops’
    • ‘She's simply inserted into the plot as a romantic device who just happens to be a crack shot at two hundred-fifty paces.’
    • ‘Every single one is a crack shot and has to maintain an accuracy rate of at least 85 percent.’
    • ‘He was a crack shot with a rifle and a superb horseman.’
    • ‘Mounted on horseback, a small team of crack troops are aware that locals know they are coming well in advance.’
    • ‘A crack novice last season is the one they all have to beat.’
    • ‘Their crack troops would not have been so easily panicked or outwitted.’
    • ‘Conscripted into the Army, Harry was a crack shot in training and was sent to join a Lewis gun team.’
    • ‘He liked golf but was never much of a golfer, liked shooting but wasn't a crack shot.’
    • ‘Thesiger was famous in Darfur chiefly as a crack shot.’
    • ‘JBC claims to have a crack team of thorough professionals providing news from around the globe.’
    • ‘But the Marines are different; they are crack troops, as trained physically as we are intellectually.’
    • ‘A superb siege by sea was planned and he was given six thousand of the best Syrian crack troops to accomplish the feat.’
    • ‘Could the Guardian's crack team of theatre experts give the show an instant makeover and turn its fortunes around?’
    • ‘We are no longer the crack troops, fighting for a better and sexier tomorrow.’
    • ‘He took a ride to Chicago and back just to see how that crack train ran at its new high speed.’
    • ‘In one battle the unit he belonged to was to fight against crack enemy troops.’
    • ‘Although specializing in hand-to-hand combat, 002 was a crack shot from distance.’
    • ‘Not only are you a crack shot with a handgun, but you are also adept at the crucial placement of bear traps.’
    • ‘Young criminals in West Yorkshire are to be taken to task by a crack team of professionals in a Government-funded initiative.’
    • ‘They are a crack unit of professionals, arguably the world's best.’

Phrases

  • crack a book

    • informal Open a book and read it; study:

      ‘they can run with a football or dunk a basketball with little concern whether they ever crack a book’
      • ‘It creates an immersive world that might actually lead some audience members to crack a book.’
      • ‘Most physics professors have never cracked a book on learning theory and don't understand different learning styles.’
      • ‘Relax in a hammock, crack a book under a tree, drink iced tea on the front porch.’
      • ‘If you plan on studying only one topic, getting into IT, and then never cracking a book again, you're entering the wrong field.’
      • ‘Why do it when you can get by just as well without cracking a book?’
      • ‘There are cheat codes to the universe, as anyone who's cracked a book on differential calculus can tell you.’
      • ‘Try cracking a book occasionally or move to a country where they make special accommodation for ignorant protesters such as yourself.’
      • ‘Well, this looks fine for an assignment you obviously didn't bother to crack a book for.’
      • ‘You mean you haven't cracked a book since you got home?’
      • ‘I highly recommend reading the manual, but it's easy enough to get started without cracking a book.’
  • crack (open) a bottle

    • Open a bottle, especially of wine, and drink from it:

      ‘he likes to crack a bottle of wine with his friends’
      • ‘At least the achievements gave middle England an excuse to stay up late and crack a bottle of Chardonnay.’
      • ‘There is always something to celebrate, always a reason to crack a bottle.’
      • ‘She cracked a bottle of beer and poured it over.’
      drink, swallow, guzzle, slurp, attack, down, drink down, drink up, force down, get down, finish off, polish off, drain, empty, imbibe, have, take, partake of, ingest, consume, sup, sip, lap
      View synonyms
  • crack a crib

    • informal, archaic Break into a house.

      • ‘He'll crack a crib in Scotland one week, and be raising money to build an orphanage in Cornwall the next.’
      • ‘He give me a fiver once after cracking a crib.’
      commit burglary, break and enter
      View synonyms
  • crack hardy

    • informal Assume a brave or tough front in the face of a difficult or unpleasant situation:

      ‘we cracked hardy but we were in shock’
      • ‘Even candidates were there, 'cracking hardy', though it was plain to see their bravery was a sham.’
      • ‘We saw him try to crack hardy with a little laugh, the false laughter that comes from a heart that only wants to scream and rage against the world.’
      • ‘A lot had cracked hardy, making jokes, but that was just their way of handling the situation, he supposed.’
      • ‘We can take his tweet that he is "over the moon at the prospect of the contest" as a touch of cracking hardy.’
      • ‘He was still bloody weak, cracking hardy for their benefit, but he was improving.’
      • ‘If we were off-colour Dad's standard remedy was castor oil, so we cracked hardy in his presence’
      • ‘He was nearly crying as he cracked hardy.’
      • ‘It was not going to be a merry Christmas for the Australian troops, and no amount of cracking hardy would make it so.’
      • ‘I am not cracking hardy, but I chose the option of having the tube simply drawn out without artificial aids or analgesic.’
      • ‘The majority of serious industrial injuries are sustained by men, a fact often attributed to men cracking hardy and taking risks.’
  • crack of dawn

    • A time very early in the morning; daybreak:

      ‘I've been up since the crack of dawn’
      • ‘Perhaps they've been up at the crack of dawn or earlier, so they are tired.’
      • ‘I would wake up early in the morning at the crack of dawn, go to Shivaji Park and watch the children play for hours.’
      • ‘Thibault is considered the family alarm clock since he's up at the crack of dawn every blessed morning.’
      • ‘That I have had to get up at the crack of dawn the past two mornings has not helped my mood.’
      • ‘We pushed it off the roundabout and back onto the A1 and reached home at the crack of dawn on Monday morning.’
      • ‘Typically, he'd be up at the crack of dawn on Saturday morning, and fly to Budapest or Barcelona or Berlin.’
      • ‘We started our journey, at the crack of dawn, as the early morning sun shone behind the morning mist.’
      • ‘Mercy was up at the crack of dawn like an early bird to get breakfast.’
      • ‘Contrary to my expectations, the drivers don't have to be on the road at the crack of dawn every morning.’
      • ‘In fact, I was at a sunrise service at the crack of dawn earlier today, service for Easter Sunday.’
      dawn, daybreak, break of day, crack of dawn, sunrise, first light, first thing in the morning, early morning, cockcrow
      View synonyms
  • crack of doom

    • A peal of thunder announcing the Day of Judgement:

      ‘I fell off the ladder, making a noise like the crack of doom’
      • ‘Thus was Hollywood given the maniacal sense of its own importance that will continue to inflate until the crack of doom.’
      • ‘His comments regarding America ‘till the crack of doom,’ told the world exactly where they stood.’
      • ‘Here are 20 career achievements that should endure until the crack of doom.’
      • ‘Hammond remarked that ‘He comes off the pitch like the crack of doom.’’
      • ‘It might be the crack of doom, depending on what kind of day I had in school.’
  • crack of the whip

    • informal A chance to try or participate in something:

      ‘individuals who feel that they have not had a fair crack of the whip’
      • ‘We want to be sure families having such a rough start do get a sure start and get a fair crack of the whip,’ said Mr Logan.’
      • ‘To give people in the town a fair crack of the whip, tickets will not be sold over the phone.’
      • ‘I want to give myself a fair hearing and as long as I get a fair crack of the whip, that's all I can hope for.’
      • ‘My concern is that there is a pot of money at the National Assembly and the south is getting a fair crack of the whip.’
      • ‘Men are not getting a fair crack of the whip, and I'm prepared to say so in court.’
  • be cracked up to be

    • informal [with negative]Be asserted to be (used to indicate that someone or something has been described too favourably):

      ‘life on tour is not as glamorous as it's cracked up to be’
      • ‘I decide that being the boss is not all that it is suppose to be cracked up to be.’
      • ‘Not all of the offerings are all they may be cracked up to be.’
      • ‘Plea bargains are just not what they used to be cracked up to be.’
      • ‘The venture capital market in the States is not all that it may be cracked up to be.’
      • ‘Religious services and ceremonies never strike Miss Manners as being as funny as they may be cracked up to be.’
      • ‘As far as U.K. saviours go, the band aren't what they'll surely be cracked up to be.’
      • ‘Sometimes you think about people in high position and you hope that are everything that they are supposed to be cracked up to be.’
      • ‘I mean, granted the new stable BootCamp is all it's going to be cracked up to be.’
      • ‘Life as a Telephone Sales Representative, surprisingly, is not all it may be cracked up to be.’
      • ‘When I first bought the game I was apathetic about whether it would be everything it could be cracked up to be.’
  • crack wise

    • informal Make jokes:

      ‘this struck them as funny, although nobody used it as a moment to crack wise at my expense’
      • ‘She was funny, without mugging or cracking wise.’
      • ‘Roz is truly one of those rare people who can crack wise and get away with it.’
      • ‘But the freedom to live involved more than cracking wise.’
      • ‘‘You know people can't hear you when you nod on the phone,’ Eric said, cracking wise.’
      • ‘These are hard drinking, fun having guys and they crack wise and obnoxious throughout - just like any athlete.’
      • ‘He cracks wise but can't hide the grimace each taste brings.’
      • ‘The perfect Buffy, she manages to be the strong hero always cracking wise but never forgetting that she is a 16-year-old girl.’
      • ‘You were always one to crack wise, my friend.’
      • ‘You might call McNealy's approach ‘marketing by cracking wise.’’
      • ‘The international news is so unrelentingly grim I don't feel like cracking wise about the situation.’
  • get cracking

    • informal Act quickly and decisively:

      ‘most tickets have been snapped up, so get cracking if you want one’
      • ‘IT'S about time work on the Western link road got cracking.’
      • ‘Already a passable cellist, she went out, bought a Steinway, hired a teacher and got cracking on the eighty-eights.’
      • ‘The sooner Mr McDowell gets cracking on his reforms the better.’
      • ‘Getting home first last night I got cracking with tea, beef burgers with pasta bolognese, delicious, honestly!’
      • ‘If you insist on getting cracking before then, start them off in pots on a sunny windowsill.’
      • ‘As there is no alternative, they ought to get cracking right away.’
      • ‘This building used to be a power station and was where Hitchcock got cracking on his early stuff.’
      • ‘I got bored very quickly and slipped off to the study to get cracking on the current chapter of the book.’
      • ‘Let's hope she takes her sewing kit with her and gets cracking on those curtains.’
      • ‘If you can, then I expect you to get cracking on an Internet decision soon so you can reap the rewards!’
      be quick, hurry up, move quickly, go fast, hasten, make haste, speed, speed up, lose no time, press on, push on, run, dash, rush, hurtle, dart, race, fly, flash, shoot, streak, bolt, bound, blast, charge, chase, career, scurry, scramble, scamper, scuttle, sprint, gallop, go hell for leather, go like lightning
      View synonyms
  • slip (or fall) through the cracks

Phrasal Verbs

  • crack down on

    • Take severe measures against:

      ‘the police will crack down on criminals’
      • ‘The Executive has introduced measures through the police bill to crack down on knife culture.’
      • ‘The relationship between citizens and police has changed since the police started cracking down on organized crime.’
      • ‘An Executive source said this was typical of the chaos it hoped the new commissioner would crack down on.’
      • ‘Police are cracking down on crime in Bradford and have secured reductions in the rates of burglary, robbery and car crime.’
      • ‘Its still illegal, but what this does mean is that the police are cracking down on the harder drugs, like cocaine and heroin.’
      • ‘The government has cracked down on more complex tax-avoidance schemes.’
      • ‘Sydney police have promised to crack down on all such surreptitious snapping.’
      • ‘Labour has taken tough measures to crack down on crime and anti-social behaviour.’
      • ‘Where these are not cracked down on immediately then further, and worse, anti-social behaviour usually follows.’
      • ‘Effective prevention of petty crimes such as theft will enable the police to focus their efforts on cracking down on hard crime.’
      get tough on, take severe measures against, take stern measures against, clamp down on, come down heavily on
      eliminate, abolish, eradicate, extinguish, quench, repress, stifle, suppress, put an end to, put a stop to, end, finish, get rid of, crush, put down, weed out, curb, nip in the bud, thwart, frustrate, scotch, squash, quash, quell, subdue, terminate, beat, overcome, defeat, rout, destroy, demolish, annihilate, wipe out, extirpate
      limit, restrain, restrict, check, keep in check, control, keep under control
      come down on like a ton of bricks, squelch, put the kibosh on, clobber
      View synonyms
  • crack on

    • Proceed or progress quickly:

      ‘we'll crack on with the rest of the job this month’
      • ‘Satisfied with their viewing of a big hole, they decide to crack on with the trip.’
      • ‘You have to put it to one side and crack on with it.’
      • ‘As soon as you get home in the evening, crack on with the work.’
      • ‘Shall we crack on with The Big Competition instead?’
      • ‘Mr Young said church members were now anxious to crack on with the work.’
      • ‘Our attitude now is just to crack on with it and move on.’
      • ‘For it to make an ounce of sense though I'll crack on with my list.’
      • ‘Anyway I really have to crack on with this Dissertation.’
      • ‘I can crack on with training now and try and get back in the first team.’
      • ‘I thought I'd better crack on with that to have something to show to your brother.’
  • crack on to

    • Seek to form a sexual relationship with (someone).

      • ‘And it's true… if I had a boyfriend; he probably would have a problem with another guy cracking on to me.’
      • ‘Between Paula having hysterics and Brad cracking on to Bessie - well, everything was a-buzz as you can imagine.’
      • ‘I was asking Adam what sex he thought this person was, when it turned around started cracking on to Adam.’
      • ‘Cracking on to single mothers seemed like a brilliant idea at the time.’
      • ‘The little tramps probably crack on to 31-year-olds all the time at their local suburban blue light disco.’
  • crack up

    • 1Suffer an emotional breakdown under pressure:

      ‘I feel I'm cracking up, always on the verge of tears’
      • ‘‘If I had not had Diana and the children I would have cracked up and had a mental breakdown by now,’ he said.’
      • ‘He left the club having exhibited signs that he was cracking up under the strain months before.’
      • ‘Many of us are visibly cracking up after serving two years.’
      • ‘The guys had cracked up so hard, but I was just very traumatized.’
      • ‘I was short-tempered and I was cracking up a bit under the pressure of it all.’
      • ‘His stylish arthouse flick looks at three women as they crack up.’
      break down, have a breakdown, lose control, be overcome, collapse, go to pieces, go out of one's mind, go mad, crumble, disintegrate
      View synonyms
    • 2Burst into laughter:

      ‘she tries to keep a straight face, but she keeps cracking up’
      • ‘Stuart standing there is too much for the security guard and he cracks up laughing.’
      • ‘We were laughing so hard that we just fell over cracking up, unable to control ourselves any longer.’
      • ‘This time I can't hold back my laughter and I crack up.’
      • ‘"Oh Jesus " Alice said wearily and then cracked up laughing.’
      • ‘Melissa narrowed her eyes and glared at the two guys, who were cracking up with laughter.’
      • ‘He cracks up into laughter, his shoulders heaving uncontrollably.’
      • ‘Ancestral forms of play and laughter existed in other animals long before humans began cracking up.’
      • ‘I could tell the elder student wanted to crack up in laughter about then, but prevented himself from doing so with a mere smile.’
      • ‘Then without warning, instead of blowing up, she started cracking up in hysterical laughter.’
      • ‘All it takes is for one person to crack up and we all collapse.’
      • ‘He shut the door in his face and led Mystie back to his room where they cracked up and collapsed on his bed.’
      • ‘Luckily, it's hard to get too stressed when you're trying to stop yourself cracking up with laughter.’
      • ‘Before I knew it I was buzzed and cracking up with laughter.’
      • ‘He blushed furiously, and Alex cracked up with laughter.’
      • ‘Lila said and the girls started cracking up with laughter.’
      • ‘Beth cracks up and falls back down onto the towel.’
      • ‘Kayla heard them cracking up into laughter from her spot in the kitchen.’
      • ‘Jules mouth was hanging open while Brad looked like he would burst out cracking up any moment.’
      • ‘He heard the whole class with the exception of her friends crack up laughing.’
      • ‘I really cracked up in laughter when I read the headline ‘Protest is the backbone of democracy’.’
      burst out laughing, dissolve into laughter, roar with laughter, shake with laughter, laugh uncontrollably, guffaw, be doubled up, split one's sides, hold one's sides
      View synonyms

Origin

Old English cracian ‘make an explosive noise’; of Germanic origin; related to Dutch kraken and German krachen. crack is from Irish craic entertaining conversation.

Pronunciation:

crack

/krak/