Definition of cool in English:



  • 1Of or at a fairly low temperature.

    ‘it'll be a cool afternoon’
    ‘the wind kept them cool’
    • ‘The air was cool against their skin, contrasting with the heat inside the passageway.’
    • ‘Leave until cool enough to handle, then peel them and cut into wedges.’
    • ‘Debbie's having air con installed today at work so it should be a bit better over there, I'll just have to direct my fan on to the air con unit to keep it cool!’
    • ‘It was the last day of October, a chilly afternoon with cool winds blowing in from the ocean.’
    • ‘The North Sea's cool surface temperature keeps eastern areas colder than those further west.’
    • ‘I smiled and climbed the ladder into the hay loft, shivering in the refreshingly cool air.’
    • ‘We have been getting good afternoon showers with fairly cool nights, a welcome change from the heat.’
    • ‘By the 27th, a strong cold front would be bringing strong winds and very cool temperatures.’
    • ‘Convection is the dissipation of heat when relatively cool air passes over exposed skin.’
    • ‘When buying seeds look at where and how the seed is stored - cool, dry positions are best.’
    • ‘By cool room temperature I mean an unheated castle in the English countryside in December.’
    • ‘Her hands felt cool against his burning skin as she lifted his arm.’
    • ‘Bring in pots of fuchsia and pelargoniums and keep them in a light, cool frost - free place.’
    • ‘Keep the water cool because the body absorbs water at a cool temperature quicker than if very cold or hot.’
    • ‘It was a beautiful fall day, the kind where the temperature is cool but not too chilly, so you can get away with wearing your jacket open.’
    • ‘The weather was cool enough to wear pants, but not yet cold enough for a jacket.’
    • ‘Unseasonably cool weather also contributed to track records in four competition categories.’
    • ‘However, up in the mountainous region like this also brought cold wind and cool temperature.’
    • ‘It was late afternoon, and fairly cool, but the USAID official was sweating heavily.’
    • ‘If grain is stored into the following summer, run fans only at night when the temperature is fairly cool.’
    chilly, cold
    View synonyms
    1. 1.1Soothing or refreshing because of its low temperature.
      ‘a long, cool glass of orange juice’
      • ‘He said putting the top of the can on his lips, enjoying the cool refreshing drink.’
      • ‘I closed my eyes again and imagined myself in a cool, refreshing blue pool.’
      • ‘And that would be more refreshing than a cool, crisp cola on a hot summer's day.’
      • ‘It was cool enough to be refreshing but not so cold that you froze.’
      • ‘A pleasantly cool breeze was drifting in though the half-open window behind Maui.’
      • ‘It's as if your body is charged with new energy when you bend down on hands and knees, cup your hands and drink the cool, fresh liquid.’
      • ‘At such times, the tongue and the throat crave for nothing more than a long drink of fresh, cool water.’
      • ‘Glasses of blissfully cool water were brought forth and each gulped the refreshment down like a castaway.’
      • ‘Brian filled the glass with nice, cool, fresh beer.’
      • ‘We then went for a stroll through the village, and had a cool, refreshing drink in a bar, before going back to collect our bags for the night.’
      • ‘The cool and refreshing water caressed his lips, he drank but as he swallowed, his throat sent searing pain to his brain.’
      • ‘After the initial shock of the cold, she found the water rather cool and refreshing.’
      • ‘I knew it was an oasis of cold drinks, cool grasses and music in the park.’
      • ‘Jabu bathed his feet in the cool refreshing river as the cows drank their fill.’
      • ‘He then took off his glasses and started to bring the cool refreshing water up to his face.’
      • ‘The beer had been refreshingly good, like a cool breeze in a glass, and I had another.’
      • ‘She was drinking the cool, crisp water before the beginning of the journey.’
      • ‘He splashed the water on his face and found it refreshingly cool, he dipped his head under and felt the chill run through his body.’
      • ‘The ocean air was refreshing and a cool breeze had tempered the thick Hawaiian heat.’
      • ‘The cool refreshing water moistened his throat and gave him chills down his back.’
      chilly, cold
      View synonyms
    2. 1.2(especially of clothing) keeping one from becoming too hot.
      ‘a cool cotton dress’
      • ‘Cool, cotton clothes are a must in the heat and humidity, but cover up to visit palaces and temples.’
      • ‘Light, comfortable, and cool clothing is a must for carnival in Jamaica.’
      • ‘Caroline was wearing a cool summer dress.’
      • ‘The enemy were strong, and could easily fight in the sun in their surprisingly cool robes.’
      • ‘I remembered that my father wore velvet coats in the winter and cool shirts in the summer.’
    3. 1.3(of a colour) containing pale blue, green, or grey tones.
      figurative ‘the bathroom was all glass and cool, muted blues’
      • ‘He shared, too, their use of strong line, cool colour, and fanciful decoration.’
      • ‘He builds up the paint around the drawing in a narrow range of relatively cool hues.’
      • ‘Use green or pink toned grey with cool toned furnishings to avoid it from feeling like an icebox.’
      • ‘Also notable is the cool palette of blue, gray, and green, evoking the fresh feeling of a typical day by the bay.’
      • ‘The cool greens, blues and violets should be used in rooms with southern or even western exposure.’
      • ‘Ahead of us the greys, cool greens and off whites of the Corsican mountains spread out toward the horizon.’
      • ‘To lift a ceiling, select a pale tint of a cool hue such as green or blue.’
      • ‘Now turquoise is heading out of the bathroom and into other living areas with a new range of cool hues predicted to be the next trend in home products.’
      • ‘The floor was carpeted in a cool blue, the walls painted a paler version of the same colour.’
      • ‘Now everything fell into place and conveyed a beautiful idea in the harmonious blend of warm and cool colours chosen by the artists.’
      • ‘The basic contrast is between warm and cool colours.’
      • ‘Instead of going for red, orange or yellow, try a cool tone, such as green or blue.’
      • ‘The roomy public areas sport a combination of cool tones, and colour and texture contrasts in reds and terracotta.’
      • ‘Typical of country cottage gardens, cool colours such as pale blue, soft pink and mauve provide clouds of colour that are restful and tranquil.’
      • ‘Although its colours were cool, they were not cold, nor were they intimidating and unwelcoming.’
      • ‘He bathed Anniesland Cross in colours to match the seasons - cool blue for winter, green for spring flowers.’
      • ‘The holes reveal a layered and textured vista in cool greens and blues, evoking a landscape.’
  • 2Showing no friendliness towards a person or enthusiasm for an idea or project.

    ‘he gave a cool reception to the suggestion for a research centre’
    • ‘Throughout his life Louis treated her with a cool reserve.’
    • ‘His relationship with his wife has broken down and his two sons are distant and cool with him.’
    • ‘However, the idea has received a cool reception from employers, who believe it is unrealistic for all but a very few companies and employees.’
    • ‘Most environmental non-governmental organisations have been cool to the idea of funding rehabilitation projects.’
    • ‘The government s plan to provide corporations with tax incentives to employ new workers over the next three years, starting from this year, has been generally greeted with a cool response.’
    unenthusiastic, lukewarm, tepid, indifferent, apathetic, half-hearted, negative
    View synonyms
    1. 2.1Free from excitement, anxiety, or excessive emotion.
      ‘he prided himself on keeping a cool head’
      ‘she seems cool, calm, and collected’
      • ‘The Swede is known for keeping a cool head but said this was his nature, although bosses owe it to their teams to be confident and positive.’
      • ‘I try to be cool, calm and collective even in some severely testing situations.’
      • ‘Britain's first mainstream female football presenter is cool, poised and confident.’
      • ‘Although he sensed a stew of emotions bubbling beneath her cool exterior, she never gave a sign of them in her eyes.’
      • ‘Despite these additional pressures, the bride-to-be is keeping a cool head.’
      • ‘King can make plays with his feet, which Gruden loves, and he's very cool under pressure.’
      • ‘The World Cup will test Logan's nerve, show if she can stay cool under pressure.’
      • ‘The one Sunderland player who remained cool under this pressure was Thomas Sorenson.’
      • ‘He was calm, cool and collected, working fast without emotion, just like the others.’
      • ‘Now ambulance staff have praised the Wigginton youngster for keeping a cool head and raising the alarm.’
      • ‘His voice cracks with emotion as he tries to retain his cool composure.’
      • ‘He is cool and controlled.’
      • ‘I wanted to be cool, calm and collected; at least in front of my audience.’
      • ‘It is legislation that has been driven by reaction and by emotion rather than cool thought.’
      • ‘As an actor, Richardson conveys just the right kind of austere intelligence where cool logic triumphs over emotion every time.’
      • ‘He's so cool, calm and collected that he keeps me in check.’
      • ‘As difficult as it is to go against your instincts and emotions, you must control them and keep a cool head.’
      • ‘It's not often, especially in recent times, that his team have looked so cool and unruffled.’
      • ‘His voice was so calm, so cool and collected, I almost felt close to swooning.’
      • ‘His goal was reward for keeping a cool head and desperately trying to be in the right place at the right time.’
      calm, cool, calm, and collected, composed, as cool as a cucumber, collected, cool-headed, level-headed, self-possessed, controlled, self-controlled, poised
      View synonyms
    2. 2.2(of jazz) restrained and relaxed.
      • ‘Throw in waltzes, cool jazz, quasi-hymns, slinky beats and some country, and this might be the man's most musically diverse album.’
      • ‘Even today, more than 40 years since it was first cut, it's still one of the most iconic tracks to come out of jazz's cool school.’
      • ‘His book does not deal with the offshoots of bebop, such as cool jazz, hard bop, modal jazz, free jazz and fusion.’
      • ‘When the band plays, the jazz is cool, the atmosphere is laid-back and the bar service is quiet but efficient.’
      • ‘The gazebo of the amphitheatre was the perfect setting for their ethereal fusion of cool jazz and old-time calypso.’
  • 3informal Fashionably attractive or impressive.

    ‘youngsters are turning to smoking because they think it makes them appear cool’
    • ‘I want to devote my thirties to having babies, minding them and being free from the constant pursuit of cool clothes.’
    • ‘Across the road is the Turbine Hall, also a cool music venue.’
    • ‘Be happy that you found someone cool to hang out with.’
    • ‘You could get a lot of cool free stuff from the manufacturers.’
    • ‘They had great food, there was always a good environment, and they played cool music in the background.’
    • ‘It's an unpretentious medley of old and new - the perfect antidote to the self-consciously cool bars of Dublin.’
    • ‘On Waltz Across America, the band comes together for a very cool live collection of some of their biggest and best songs.’
    • ‘I eventually went insane but I sure collected a lot of free cool stuff.’
    • ‘Who is going to replace her as the model of cool, trendy fashion on TV?’
    • ‘It was a hot basement but a cool crowd, free wine, very nice shop, and really good discussion afterwards.’
    • ‘Her style is different from anyone else I know, which made her totally cool in my book.’
    • ‘Still there was an end aim, a cool bar and cool free food and cool company.’
    • ‘The music is cool, with decent people depending on the night and great bartenders.’
    • ‘It's still cool that we get free memberships and extra bandwidth and whatnot.’
    • ‘Certainly, as a corrective to some of the more po-faced excesses of cool London club culture, rave was a blast of fresh air, an important rupture.’
    • ‘There's just something so cool about a band doing a free in-store performance.’
    • ‘You will win a really cool prize. A prize so cool, I can't even tell you what it is at risk of upsetting contestants who don't win.’
    • ‘I've never been near here before, but the lights of Sydney look so cool at night.’
    • ‘It is a very cool collection of photographs from around New York.’
    • ‘One of the coolest bands of the 1970s has survived to still make cool music.’
    fashionable, stylish, chic, up to the minute
    View synonyms
    1. 3.1Excellent.
      [as exclamation] ‘our office was a sunny room with a computer you didn't even have to plug in. Cool!’
      • ‘They are however looking for other indie kids who are unique in exactly the same way as them - cool, huh?’
      • ‘I didn't know all planets and planetoids were officially supposed to be named after gods of mythology - cool!’
      • ‘Tomorrow I also get to see my nephew again for the first time in a month and a half - cool!’
      very good, superb, outstanding, magnificent, of high quality, of the highest quality, of the highest standard, exceptional, marvellous, wonderful, sublime, perfect, eminent, pre-eminent, matchless, peerless, supreme, first-rate, first-class, superior, superlative, splendid, admirable, worthy, sterling, fine
      View synonyms
    2. 3.2Used to express acceptance of or agreement with something.
      ‘if people want to freak out at our clubs, that's cool’
      ‘I told Bill that I was going to write the final draft of the script and he was cool with that’
      • ‘If that's not your thing, that's cool by me, but know that it's encouraged and applauded in this community.’
      • ‘And that's cool if it's going to get you out and involved now, but stay involved after that.’
      • ‘There were a few people who said they were cool with it, but they are totally outweighed by those who decry it as a crime against nature.’
      • ‘I work hard at things to improve, but I also realize it takes time and I'm cool with that.’
      • ‘No, it's cool; I don't mind talking about that.’
  • 4informal Used to emphasize the size of an amount of money.

    ‘research for a new drug can cost a cool £50 million’
    • ‘Belfast’s bid to become the European Capital of Culture in 2008 could cost a cool £150 million’
    • ‘It’s got a top speed of 185 and would cost you a cool £110,000 to drive off the forecourt.’
    • ‘A two-piece suit from this guy comes in at a cool two grand, so is unlikely to be realistic unless I win the lottery.’


  • 1A fairly low temperature.

    ‘the cool of the night air’
    • ‘She sat well back from the fire; the night cool had not set in yet.’
    • ‘Pushing back the sheets, Loraine lay on her back, staring about at the shadowed room in the pale cool of night.’
    • ‘In the summer he is sheltered from heat and flies during the day while turning out at evening to enjoy the cool.’
    • ‘It was night now, I could feel the cool of night in the air, and smell it in the breeze.’
    • ‘There, we fished the ocean from the beaches, waiting until the sunbathers had cooked themselves enough first and the evening cool arrived.’
    • ‘Again, Saoirse shivered pleasantly, enjoying the cool of his hands against her warm, humming skin.’
    • ‘All was forgotten in the evening cool of the Greek capital for a few hours at least.’
    • ‘Emma was shocked at the electricity that had passed between them, an instant heat despite the cool of the June night.’
    chill, chilliness, coldness
    View synonyms
    1. 1.1A time or place at which the temperature is pleasantly low.
      ‘the cool of the day’
      • ‘Shivering in the cool of the night, she wrapped her arms around her, running her hands along the goosebumps on her arms.’
      • ‘Now that the sun has set and the cool of the evening has come, some of the warmth we absorbed is flowing back towards her.’
      • ‘In the cool of the evening as the day winds down, they gather again for a cold beer or a Pernod.’
      • ‘There were plenty of choices and in the cool of the evening it was inviting to just sit there and enjoy.’
      • ‘As they sit at the openings of their tents in the cool of the summer evening, on the completion of a long journey, they break out into song.’
      • ‘In the cool of the evening I made my way back to the Ramblas, and took up station among the buzzing crowds for the Giants' Parade.’
      • ‘Summers at Valley Forge are miserably hot and sticky - not at all like the breezy cool of the Kenyan highlands.’
      • ‘He did not read it, nor even glance at it, but put it straight into the fire the slaves had so painstakingly built up against the cool of the evening.’
      • ‘The lizards are active for several hours during the relative cool of morning and again in the early evening.’
      • ‘It's best then to fish in the cool of the dawn or even at night when they are actively on the rampage.’
      • ‘What better way to end a hot summer's day than to sit back to enjoy the cool of the evening with the latest gripping novel.’
      • ‘Autumn hits hard here and the windows are blurred in the cool of the night but over the mountains there is blue sky and promise of a warm day to burn away the mist.’
      • ‘He is really on his way to pick berries, isn't he, in the cool of the morning.’
      • ‘With a bit of effort you rise from you seat and wander out into the cool of the night.’
      • ‘Sometimes a few small boys are scrabbling about on a road or an old lady is sitting out in the cool of an evening.’
      • ‘In the cool of the evening, the inn was abuzz with activity.’
      • ‘She went outside to mooch around the garden in the cool of the night.’
      • ‘I wandered round the town yesterday evening, and it seemed as if everybody was out and about enjoying the relative cool of the evening.’
      • ‘That girl had walked with Carlos once down this avenue, once in the cool of the evening, to see a foreign film.’
      • ‘Greece is hot in the summer, so make like the locals: take long siestas, then stay up late, letting the kids play in the cool of the night while you linger in a taverna.’
  • 2Calmness; composure.

    ‘he recovered his cool and then started laughing at us’
    • ‘His point guard play is a picture of composure and cool.’
    • ‘Hopefully, he'll recover his stony-faced cool in time to thwart the intergalactic threat.’
    • ‘For all her cool and calmness, she liked insulting my older brother.’
    • ‘What it's all about really is keeping your cool under pressure in the sunny days ahead.’
    • ‘Jason was shocked, he had never seen Vanessa lose her cool and show an emotion.’
    • ‘Losing her temper and cool with the various journalists tasked to interview her seemed only to increase the public's antipathy towards her as a mother.’
  • 3The quality of being fashionably attractive or impressive.

    ‘all the cool of high fashion’
    • ‘Now Giorgio Armani, one of the world's most influential fashion designers, is bringing his unique brand of Italian cool to Edinburgh.’
    • ‘Topshop was one of the pioneers of turning catwalk cool into high street hip, and it has been hailed as Fashion Retailer Of The Year, not once but twice.’
    • ‘Casual fashion from the 70s and 80s is the latest street cool, apparently.’


  • 1Become or make less hot.

    [no object] ‘we dived into the river to cool off’
    [with object] ‘cool the pastry for five minutes’
    • ‘Remove from the oven and set aside to cool in the tin.’
    • ‘The weekend's fine weather was good news for Yorkshire's tourist industry and, of course, the baking heat sent many in search of ways to cool off.’
    • ‘It was scorching hot and, at some point in the afternoon when we'd all drunk a lot, some of the lads decided that it was time to cool off in the pool.’
    • ‘The temperatures rarely reach into the 90s during the day and cool off dramatically at night.’
    • ‘Remove the cake from its tin and leave to cool on a cooling rack.’
    • ‘Some were using the fountains to cool off because it was so hot!’
    • ‘We let these cool on the cooling rack and we made the icing.’
    • ‘After they had cooled off in the sea, everyone walked over to the rocky side of the shore.’
    • ‘The downpour cooled off the searing heat but failed to ease the city's looming water shortage.’
    • ‘At the end of the treatment, the samples were rapidly cooled to room temperature.’
    • ‘I'll return to the tidying and cataloguing when the weather cools down a bit.’
    • ‘While humans try to cool off under the fan and the more fortunate in air-conditioned rooms, the wild and domestic animals are not so lucky.’
    • ‘The weather was beginning to cool, and the wind was blowing gently throughout the bushes and trees.’
    • ‘Remove from heat once this temperature is reached, cool and store for use as needed.’
    • ‘The molten lava in contact with the air cools quickly to form a skin over the flow.’
    • ‘Turn out on a rack to cool completely, then chill for at least two hours before serving.’
    • ‘It started to cool off today, at last, much to Dolly's relief.’
    • ‘If the weather is a bit warm, do the baking earlier and let the vegetables and cheese cool to room temperature before serving.’
    • ‘Drain, reserving one cup cooking liquid, and cool to room temperature.’
    • ‘You couldn't imagine a hotter location during the day, but at night it cooled off.’
    chill, refrigerate, make cold, make colder
    get cold, get colder, cool down, lose heat
    View synonyms
    1. 1.1Become or make calm or less excited.
      [no object] ‘after I'd cooled off, I realized I was being irrational’
      [with object] ‘George was trying to cool him down’
      • ‘There is need to cool off our tempers and stop fanning the embers of dissent and revolt for united we shall stand and divided we shall surely fall.’
      • ‘The agreement appeared to cool off tempers among local pensioners, as no rallies were reported in the Moscow region on Thursday.’
      • ‘We literally had to pin him down until he cooled off.’
      • ‘But at least with letters you have time to cool off or sober up before you send an insulting missive winging through the ether.’
      • ‘He would allow her to come back to him after she cooled off, and he would say nothing of it.’
      • ‘Just don't let it warm your heart so much that you let your anger cool.’
      • ‘Antony drove them back to the shed, he had cooled off a bit, and was in the process of changing the subject.’
      • ‘By the time lunch came around Aliena had cooled down and was hoping she stayed that way.’
      • ‘They eventually calmed me down a bit, told me to leave the area and cool off.’
      • ‘Mr Smith said that the drivers could have walked out on Christmas Eve but had decided to choose New Year's Day to give all parties a chance to cool off.’
      • ‘By time he had gotten his food and sat down at a table in the corner, he had cooled off a bit.’
      • ‘The police were called to restore calm as Lee cooled down in the changing rooms.’
      • ‘Vicky breathed in the calm night air, but no amount of tranquility could cool her off.’
      • ‘Jean had hopefully cooled off from this morning, and Roger didn't want to anger her again by being late.’
      • ‘We well understood that it was to cool us down, to take the wind out of our sails.’
      • ‘Eventually some of the remarks got a bit unpleasant and the ability to comment was temporarily suspended to allow everyone time to cool off.’
      • ‘Try not to bold it against her if she needs more time than you to cool off.’
      • ‘"He is quick to anger, but he cools down very fast, " said an association office bearer.’
      • ‘Maybe by the time school let out and she came home from work she would have cooled off a bit.’
      • ‘I am just going to take a month off to give him time to cool off a little and think twice about his insane plan.’
      calm down, recover one's self-control, regain one's self-control, recover one's composure, regain one's composure, compose oneself, control oneself, pull oneself together, simmer down
      View synonyms
    2. 1.2West Indian [no object]Relax.
      ‘a dreamy spot full of sunshine and sea where you could cool out and detox’
      • ‘He was merely cooling out waiting to play a match later that afternoon.’
      • ‘I like to visit there with the family and friends, cool out at the little beaches and rivers.’
      • ‘Well, right now, I'm just here cooling out on the net.’
      • ‘If she would just cool out and have a brew there would be perfect harmony and joy and one other person who could make a run to the liquor store.’
      • ‘Pull out a chair for her, turn on the air for her and just cool out, cool out and listen to her’
      • ‘Quite what the teenagers are thinking about when cooling out to this sort of thing is, of course, open to question.’
      • ‘We were cooling out, sipping fermented sugar cane and chillin’ when, out of the blue a friend of his from England passed through the place.’
      • ‘I go to the Hilton to cool out by the pool bar.’
      • ‘That's why I didn't send her to school, I wanted her to cool out for a while.’
      • ‘I remember hanging out by the river just to cool out and check out what's going on.’
      • ‘You can get as maudlin, dramatic and sentimental as you wish, without anyone telling you to snap out of it, cheer up, or cool out.’
      • ‘It's bad karma man, and you just need to cool out unless you want to be reincarnated as a sloth or filthy anteater.’
      • ‘When I get home this evening, I will get back to more mundane things, like just cooling out, or maybe I should go for a walk if I get home early enough as I haven't done that in a while.’
      • ‘Last night I really didn't do anything but cool out and blog.’
      • ‘I'd just go and cool out in a corner, I won't jump, because sometimes you could be jumping, enjoying yourself and accidentally touch somebody, then a fight will break out.’
      • ‘Imagine it's Friday evening after a long day's work, you and several friends decide to cool out at a favorite watering hole.’
      • ‘I woke up late today and pretty much spent the day cooling out.’
      • ‘My usual mode of dress for cooling out around the house is shirtless because of the warm ambient temperatures that this country usually boasts.’
      • ‘They just told him go in the back of the truck and cool out.’
      • ‘I guess most people are just glad to not have to go into work and make the best of a holiday cooling out.’


  • cool it!

    • informal Behave in a less excitable manner.

      ‘cool it and tell me why you're so ecstatic’
      • ‘I ask him to cool it, but he doesn't calm down that easily, so I think it's about something else.’
      • ‘I got a certificate saying I've been admitted to the bar, and I've even got a wig, so cool it!’
      • ‘If you're not careful you'll be too tired to even lift the crown, cool it!’
  • cool one's heels

    • see heel
      • ‘You could make an appointment with your doctor for the day after tomorrow - and then cool your heels for 40 minutes in an overheated waiting room.’
      • ‘And all this while the King of Spain was left cooling his heels at the bar.’
      • ‘The reporters who stay cool their heels in the lobby.’
      • ‘But she can just cool her heels.’
      • ‘When I finally get to them after they've been cooling their heels for five or ten minutes they generally drop a dollar on the bar.’
      • ‘Why does Irwine want Adam to cool his heels for ten days, doing nothing?’
      • ‘Well, drivers will have to cool their heels in traffic.’
      • ‘There we all were, cooling our heels in a hotel lobby waiting for our first appointments of the day.’
      • ‘Joburgers will have to cool their heels with some freezing weather this month, before the summer rains set in.’
      • ‘Perhaps cooling his heels all these years was worthwhile.’
  • keep (or lose) one's cool

    • informal Maintain (or fail to maintain) a calm and controlled attitude.

      ‘he finally lost his cool with a photographer and threatened to hit him’
      • ‘There are two kinds: people who freak out, and people who keep their cool.’
      • ‘We'll teach you how to keep your cool and stay calm in tight situations.’
      • ‘I finally lost my cool and told a youngster who'd been particularly loud and obnoxious to sit down and be quiet or I'd have him removed by theater staff.’
      • ‘William somehow managed to keep his cool and retain control of their car.’
      • ‘The next time something is pushing you to the boiling point, stop and think before you lose your cool and blow up.’
      • ‘She had to stay calm and keep her cool before the match.’
      • ‘He has kept remarkably calm, refusing to lose his cool in the face of constant provocation.’
      • ‘He's trying to get control by making me lose my cool.’
      • ‘Jake was cowering under the bridge, shivering, and panting, but trying to keep his cool and not blow his cover.’
      • ‘Despite the fact that he was vastly outnumbered John never lost his cool, stayed calm and came away with a deserved victory.’
      become very angry, fly into a rage, explode, blow up, erupt, lose control, go berserk, breathe fire, begin to rant and rave, flare up, boil over
      View synonyms
  • too cool for school

    • informal Very cool or fashionable.

      ‘he has no brains, no looks, no personality, but he still thinks he's too cool for school’
      • ‘So that guy was a little bit too cool for school, but there you go.’
      • ‘When we see Kate Moss looking too cool for school carrying the latest Mulberry bag, we immediately want one.’
      • ‘Score yourself some of these items and you just may be too cool for school!’
      • ‘The club was filled with 30-something skinny Brits who thought they were too cool for school.’
      • ‘We weren't trying to be too cool for school.’
      • ‘The guy's too cool for school; he is very artsy, thinks outside the box, different.’
      • ‘Maybe just "too cool for school" is what I mean.’
      • ‘She is such a smart ass, a know-it-all, very too cool for school.’
      • ‘The assistants look like they're too cool for school.’
      • ‘You're just too cool for school, aren't you?’


Old English cōl (noun), cōlian (verb), of Germanic origin; related to Dutch koel, also to cold.