Main definitions of boom in English

: boom1boom2boom3

boom1

noun

  • 1A loud, deep, resonant sound.

    ‘the deep boom of the bass drum’
    • ‘For a gang who loves strings and builds and sweeping vocals, the monotonous boom boom boom was a disappointment.’
    • ‘Far above us, the grey clouds got sick of threatening and decided to act, and a hollow boom of thunder sounded.’
    • ‘The deep boom of a gong echoed through the room, and the gathered students fell silent.’
    • ‘He said: ‘Suddenly I heard boom boom boom boom boom and heard an officer shout ‘man down, man down’.’’
    • ‘But around 8: 30 I heard something different: big booms and dull thumps.’
    • ‘It was new, but it was back to that disco beat for me: boom boom boom boom.’
    • ‘But their presence is signalled by an unmistakable call similar to bellowing of a bull with a deep, resonant boom that carries up to a mile.’
    • ‘My heart froze, skipped a beat, and then began to go boom boom boom.’
    • ‘It sounded like a boom, it sounded actually like a big bomb.’
    • ‘At that moment the deep boom of the great brass bell reverberated through the monastery.’
    • ‘Without warning, a loud boom resounded from the city.’
    • ‘Right on cue, a resounding boom rolled throughout the school, followed by distant cheers.’
    • ‘The windowpanes rattled, and the girls could feel the subsonic boom of a bomb exploding.’
    • ‘Lightly she tapped on the wooden door to hear the deep boom of her father's voice tell her to enter.’
    • ‘I heard someone yell as a loud boom sounded behind them.’
    • ‘A thunderous boom suddenly sounded from miles away, accompanied by a miniscule quake.’
    • ‘They sat in a thoughtful moment before a boom of thunder sounded and Jane jumped.’
    • ‘There was a deep boom, then the sound of rending metal and breaking glass, and still it didn't stop.’
    • ‘As they drew closer to Sara's there was a loud boom and a cracking sound.’
    • ‘And finally you hear nothing but boom boom boom boom, and all the whooping.’
    reverberation, resonance, resounding
    View synonyms
    1. 1.1The characteristic resonant call of the bittern.
      • ‘And Doncaster will hopefully soon be ringing with the boom of bitterns crying out for mates.’
      • ‘He reported that bitterns were beginning to practise their boom on the reserve again but would not find their full voice until April or May.’

verb

[NO OBJECT]
  • 1 Make a loud, deep, resonant sound.

    ‘thunder boomed in the sky’
    ‘her voice boomed out’
    • ‘She listened to your heart beat and it boomed out over a loudspeaker.’
    • ‘Just as his fingertips grazed the knob, a loud clap of thunder boomed and the wind sent branches from a menacing tree outside clapping into the window pane.’
    • ‘She called louder but still nothing responded except the sound of the thunder that boomed in the sky.’
    • ‘The tall elegant man boomed out from a central balcony.’
    • ‘A chime from somewhere deep inside the Sanctuary boomed out seven deep notes: fifteen minutes to the next class.’
    • ‘Suddenly a deep voice boomed out from some of the trees nearby.’
    • ‘The large ship lowered down, as the megaphone boomed out a cry from three different voices.’
    • ‘It was a sight to see the inmates showing interest in the proceedings and enjoying the heavy bass of music that boomed out through speakers.’
    • ‘From beneath the mask, a deep voice boomed out, in a singsong voice, the following rhyme.’
    • ‘Machinegun fire and explosions boomed out and helicopters clattered overhead as naked children ran for safety, screaming.’
    • ‘A few seconds later, the royal fanfare boomed out through the room.’
    • ‘Inside, it was colder than I had expected, shiver-cold, and the smallest sounds echoed and boomed, hitting my ear like a fist.’
    • ‘He only focused on the song that boomed out on the loudspeakers.’
    • ‘Suddenly, I heard the sound of thunder booming all about outside.’
    • ‘The thunder and lightning boomed and crashed above them for a while and then it started to rain.’
    • ‘The ground began to shake violently, as the sound of large engines boomed in the sky.’
    • ‘A loud sound boomed out like that of a giant bell, when one is inside it.’
    • ‘The intro to the first song boomed out from the speakers.’
    • ‘Techno music boomed out across the court as we jogged on the spot.’
    • ‘A barely contained energy surged through the crowd; it appeared to ripple as slogan after slogan boomed out across the open space.’
    reverberate, resound, resonate
    View synonyms
    1. 1.1[with direct speech]Say in a loud, deep, resonant voice.
      ‘the imperative “Silence!” boomed out by Ray himself’
      • ‘Hope was getting dim when a deep voice boomed, ‘Children of the Earth, get out of the way!’’
      • ‘The answer came quickly as the boss boomed out, ‘Aircraft on cat 1, you have a tailpipe fire.’’
      • ‘‘Don't get around this neighborhood too much,’ the man boomed out, startling Ruth.’
      • ‘Charles' laughter boomed out and he said, ‘We are going to show you to your rooms.’’
      • ‘‘Ahem, may I have your attention please,’ a loud voice boomed over the restaurant.’
      • ‘‘Warren word power, that's what it's called’ a loud voice boomed, and Rabbit popped his head above the bank, holding a paw over his nose.’
      • ‘She boomed out again, ‘Morgan forsook me and for it he shall feel my wrath’ She slowly turned a bit, letting the pleasing look about her drop.’
      • ‘‘She was a wonderful, beautiful ambitious woman and she will be missed,’ his deep voice boomed between sobs.’
      • ‘‘So, the fair lady is finally awake,’ the same deep voice of the captain boomed.’
      • ‘‘I am here because I want to listen, but I also want to ask you some questions,’ Sir Hilary's voice boomed over the demonstration.’
      • ‘‘You killed my best friend,’ the shadow boomed in a deep voice.’
      • ‘Maud boomed out in a low, greeting voice, ‘Come in, come in!’’
      • ‘Sabrina's normally soft voice changed to the slightly familiar commanding tone as she and her mother boomed out ‘HO!’’
      • ‘‘Kaseios,’ his loud voice boomed across the hall, just like it used to, and Euthenas was no longer terrified, but comforted.’
      • ‘‘Dearly Beloved’, the elderly minister started, his voice loud and booming across the abbey with the mike.’
      • ‘‘Wah ha ha’, boomed the voice as it echoed along the corridor.’
      • ‘As they went downstairs to the lockers, a familiar voice boomed an enthusiastic ‘hiya Matt’ from behind him.’
      • ‘‘Enter through here, please,’ a security guard boomed out from the other end of the cafe.’
      • ‘Veronica Sky walked out and the deep voice boomed again: ‘Please take a seat Mr. Taylor.’’
      • ‘‘I told you Barnay, your plow won't be finished until the day after next,’ a deep voice boomed.’
    2. 1.2(of a bittern) utter its characteristic resonant call.
      • ‘I was lucky enough to visit Minsmere and Dunwich Heath last week and there seemed to be Bitterns booming everywhere, although I didn't actually see one.’
      • ‘Leighton Moss, a premier RSPB reserve where you can hear bitterns boom, is a lovely walk away over the crag.’
      • ‘The date of the first booming bitterns varies each year, although there has been a trend towards them starting to boom earlier in recent years.’
      • ‘There is a sexual bias in that only male Great Bitterns boom; we have no data on the survival of adult females.’
      • ‘I've heard Bitterns booming a few times at Leighton Moss, but I can only imagine what Minsmere sounds like on a spring evening.’

Origin

Late Middle English (as a verb): ultimately imitative; perhaps from Dutch bommen to hum, buzz.

Pronunciation:

boom

/bo͞om/

Main definitions of boom in English

: boom1boom2boom3

boom2

noun

  • A period of great prosperity or rapid economic growth.

    ‘a boom in precious metal mining’
    [as modifier] ‘a boom economy’
    • ‘The British economy has suffered greater booms and deeper busts than the eurozone economies over the past few decades.’
    • ‘Such borrowers are marginal to the fixed-capital investment that drives economic booms.’
    • ‘The growth figures suggest Ireland may recapture some of the form of the boom years when economic growth peaked at 11.5 per cent.’
    • ‘The government is trying to cool an investment boom that stoked economic growth of 9.1 per cent last year, the fastest pace in seven years.’
    • ‘It turns out the dot-com boom and bust aren't just anomalies of runaway capitalism.’
    • ‘The equivalent would be to increase the number of working hours per person in periods where the economy booms.’
    • ‘Thailand is relying on rising exports and a consumer-spending boom to double economic growth this year.’
    • ‘All this leads to economic boom and prosperity.’
    • ‘Some dealers credit the new wealth, while others say their sales were unaffected by the economic boom and bust.’
    • ‘Over the last decade the economic boom has resulted in billions of euro being invested in property, both at home and abroad.’
    • ‘Once central banks embark on an aggressive program of monetary expansion, the stage is set for an inevitable boom and bust.’
    • ‘Entire epochs of capitalist development exist when a number of cycles is characterized by sharply delineated booms and weak, short-lived crises.’
    • ‘Most of the unsound lending that characterized the boom was done directly in the market rather than by banks.’
    • ‘A property tycoon today flagged up a series of multi-million pound projects designed to spark a business boom in Monks Cross.’
    • ‘This added 1.5 per cent to economic growth in the boom years of the 1990s.’
    • ‘As we know from countless business cycles, what that leads to is a boom and bust cycle.’
    • ‘Irish investors are expected to spend up to €6 billion on overseas property this year as profits from the economic boom flow into Europe.’
    • ‘In periods of capitalist decline the crises are of prolonged character while the booms are fleeting, superficial and speculative.’
    • ‘Venture capital investments have slowed since the internet boom and bust in which many funders lost money.’
    • ‘That was a novel about the boom years of the 80s, which now seem lost in the explosion of tinsel that characterized the boom of the 90s.’

verb

[NO OBJECT]
  • Enjoy a period of great prosperity or rapid economic growth.

    ‘business is booming’
    ‘the popularity of soy-based foods has boomed in the last two decades’
    • ‘And the insurance business boomed as well, selling peace of mind and security.’
    • ‘We've seen, basically, five quarters where we've seen growth booming.’
    • ‘While economies boom, the financial foundation could not be more precarious.’
    • ‘Most likely, as long as the economy was booming and the economic rewards were big enough, her employees would have endured her management style.’
    • ‘That, of course, did not mean the business cycle was dead or that the stock market would boom endlessly.’
    • ‘Its middle class is growing rapidly, domestic consumption is booming and the growth of its manufacturing sector is nothing if not spectacular.’
    • ‘When the economy is booming, this problem never arises.’
    • ‘Car valeting companies across the country claim business is still booming, although some companies in the crowded Dublin market are starting to feel the pinch.’
    • ‘With almost every sector booming with growth, resources are not an issue.’
    • ‘Business is far from booming, but at least there are signs of progress.’
    • ‘Equally, rates could rise to high single digits if world peace was in jeopardy or economic growth boomed.’
    • ‘Business was booming, but experienced craftsmen were becoming increasingly difficult to find.’
    • ‘However, as economic times continue to boom, private label growth has occurred in the lower-income consumer demographic.’
    • ‘In the days when the Dutch economy was booming and stock prices were soaring, shareholders weren't worried.’
    • ‘Our technology, financial services and pharmaceutical businesses boomed.’
    • ‘All three economies are currently booming with growth rates of around 7 percent.’
    • ‘The recent U.S. experience demonstrates that booms can last a long time, but not forever.’
    • ‘The mixed economy boomed, bringing unprecedented prosperity to the middle and working classes.’
    • ‘As he flies about his meat processing empire in his jet monitoring developments below, the beef baron's business is booming.’
    • ‘The U.S. labor market was booming until an economic downturn began in 2001.’

Origin

Late 19th century (originally US): probably from boom.

Pronunciation:

boom

/bo͞om/

Main definitions of boom in English

: boom1boom2boom3

boom3

noun

  • 1A spar pivoting on the after side of the mast and to which the foot of a vessel's sail is attached, allowing the angle of the sail to be changed.

    • ‘There was speculation that he might have been struck by the boom and thrown overboard as he changed the sail.’
    • ‘Only the creak of the mast and the boom, the rippling of the sail and the gurgling of the passing water reached Miri's ears.’
    • ‘The fire resulted in heavy damage to both the interior of the vessel and the exterior cabin area, plus damage to the mast, boom and rigging.’
    • ‘Engineers used a computer-controlled boom pressurization system to initiate deployment of the boom and sail system.’
    • ‘The sail is left fed into the boom and mast so all you have to do is pull it up.’
    • ‘Tying a rope to the wheel and to a pole to keep the vessel on course, Jake swung himself onto the boom and beginning to furl the sails himself.’
    • ‘She has a square sail on two booms, which I shall see is fully repaired, and there is little else to do to make her ready.’
    • ‘Walking or running behind the sail holding on to the boom helps students get the feel of flying the sail.’
    • ‘Sonia waited until he was within three feet of her, then jumped up on the boom, running lightly towards the mast.’
    • ‘I recognized it as the boom of a sailboat, with pieces of the sail torn on it.’
    • ‘We then come to the mast's boom that has broken into two pieces over the ship's hull.’
    • ‘As Miller approached the helm looming before her, a quick glance at the boom and rigging was a reminder of the vessel's size.’
    • ‘The wind caught the sails with a dull boom and the ship heeled about, tacking into the westerly breeze sweeping across the lake.’
    • ‘We had been flying slower than 100 knots most of the day because our hoist boom was extended.’
    • ‘The sails were all furled in tight bundles around the various booms, and a lantern gleamed with white light on the bowsprit.’
    • ‘The wooden boat, valued at around $2000, had two sails and a boom but no mast.’
    • ‘The boat took considerable damage in the storm, losing its mast, boom, compass and lifelines.’
    • ‘He shut off the motor and untied the sails from the booms.’
    • ‘He bundled the sails over the booms and tied them into ungainly lumps, then went to the wheelhouse.’
    • ‘So a sheet is a rope, a tack is a turn into the wind and the boom is the spar along the bottom of the sail.’
    1. 1.1[often as modifier]A movable arm over a television or movie set, carrying a microphone or camera.
      ‘a boom mike’
      • ‘Essentially, it is just a set of headphones and a boom microphone, plus the software that enables you to talk to others online.’
      • ‘For example, you may not see the boom microphone on the left side of your shot until you are looking at the video in the video editing program.’
      • ‘A boom mike swings into the picture as the film's faked reality shatters.’
      • ‘For example, if a cheer goes up at the appearance of the boom operator's credit in a movie, this means that his or her family is in attendance at the screening.’
      • ‘Already the media was on the scene, in the building, hanging boom microphones and video cameras out the windows on either side of the woman.’
      • ‘Lucy pointed, too, and made some gurgles, and even patted the boom mike while the cameras rolled.’
      • ‘The supporting cast of cameramen, photographers and the people who hold the fluffy sound booms, made it impossible to move, as they jostled for the best positions.’
      • ‘Four beats after curtain rises, bump downlights to full wattage; they're boom lights rigged to the top of the stage.’
      • ‘It resembles a small one-sided headphone with a small boom microphone, and comes in a bluish-grey and silver metallic colour.’
      • ‘No studio, no financing, no known actors just a cameraman, boom man, front man, and some extras.’
      • ‘When he finally arrives, cameras line up in front of questioners and the boom mike circles the room, smacking writers in their heads.’
      • ‘It had a camera on a boom arm and they were swinging it over and around the car which was following a short distance behind.’
      • ‘Spoken parts used to be recorded on the acting sets with boom mikes, but this is no longer done.’
      • ‘He then took a headset down from a clip above him, and pulled the boom microphone around his chin to his lips.’
      • ‘If the projectionist bungles the job, subtitles will run off the bottom of the screen, actors' heads will be cut off, or boom microphones will bob into the frame.’
      • ‘The area was awash with boom mikes and satellite dishes.’
      • ‘Any time they go out in public, there's a boom mike hanging over them, there's a camera on them, there's tape recorder all around them.’
      • ‘Joe Wetsch said into the mike boom that was suspended in front of his mouth.’
      • ‘Because I don't think that I'm any better than the camera operator, the boom man, I don't think that I'm any better than you are.’
      • ‘Once the overhead boom microphone had moved out of the way, she stepped forwards.’
    2. 1.2A long beam extending upward at an angle from the mast of a derrick, for guiding or supporting objects being moved or suspended.
      • ‘The crane had an angled boom, so the engine moved down one inch for every inch we pulled out.’
      • ‘It was supported on a long boom so that the top of it did not run through the radio dish.’
      • ‘The left joystick controls steering direction and travel speed, while the right joystick controls boom lift and attachment tilt functions.’
      • ‘The sensors are located at the end of a boom attached to a yoke that rotates 360 degrees in the horizontal plane.’
      • ‘A portable boom control device and cable hook assembly is used for loading and unloading.’
      • ‘A 60-meter long boom was extended from the side of the Shuttle and two types of radar frequencies were beamed down from each end of it.’
      • ‘The boomspray also features a hydraulic wing off the boom which allows farmers to spray over fence lines.’
      • ‘At its center is a mixing console and an expensive microphone suspended from a boom.’
      • ‘Two systems are used to control boom stability.’
      • ‘A boom hinged to the bottom of a mast to create a simple crane for loading and unloading cargo.’
    3. 1.3A floating beam used to contain oil spills or to form a barrier across the mouth of a harbor or river.
      • ‘Large floatation devices such as sausages - known as oil booms - line the river to contain the fuel.’
      • ‘A boom has been placed around the stricken vessel.’
      • ‘The total length of the boom will be around 200m, with high-visibility pellets at 5m intervals.’
      • ‘Officers from the Environment Agency stretched a number of booms across the river to contain the diesel and prevent it from travelling further downstream.’
      • ‘The Council was alerted by local residents on Thursday morning and managed to subdue the flow of diesel into the river by installing a boom.’
      • ‘The contractors sent out an oil spill response team with booms to contain the spillage and absorbent pads to soak the oil up.’
      • ‘When the council advertised it said suitable candidates must have between 10 and 15 rowing boats, a motor launch, a river boom and be suitably qualified in life saving.’
      • ‘Kochi was among the first ports to procure an oil spill containment boom in 1987.’
      • ‘The operator is also required to provide a boom across the river to stop boats approaching the weir.’
      • ‘If all was clear, the boom was opened and you sailed out.’
      • ‘A boom was used to stop the foam travelling down the river.’
      • ‘Crews with First Strike Environmental arrived Tuesday evening and have been working to absorb the fuel with booms and pads.’
      • ‘Our bays and inlets could be protected by floating booms and where they exist, by closing sluice gates,’ she said.’
    4. 1.4A retractable tube for inflight transfer of fuel from a tanker airplane to another airplane.
      • ‘At its peak, the effort involved 14,000 vessels, 8o aircraft, better than 500,000 feet of boom.’
      • ‘The primary air fuel transfer method is through the tanker's flying boom, controlled by an operator stationed at the rear of the fuselage.’
      • ‘Nearly all internal fuel can be pumped through the tanker's flying boom, the KC-135's primary fuel transfer method.’
      • ‘Workers not experienced in working with today's long-reach boom pumps may not think about it beforehand.’

Origin

Mid 16th century (in the general sense beam, pole): from Dutch, beam, tree, pole; related to beam.

Pronunciation:

boom

/bo͞om/