AskDefine | Define boom

Dictionary Definition



1 a deep prolonged loud noise [syn: roar, roaring, thunder]
2 a state of economic prosperity
3 a sudden happening that brings good fortune (as a sudden opportunity to make money); "the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed lik an assembly line" [syn: bonanza, gold rush, gravy, godsend, manna from heaven, windfall, bunce]
4 a pole carrying an overhead microphone projected over a film or tv set [syn: microphone boom]
5 any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring


1 make a resonant sound, like artillery; "His deep voice boomed through the hall" [syn: din]
2 hit hard; "He smashed a 3-run homer" [syn: smash, nail, blast]
3 be the case that thunder is being heard; "Whenever it thunders, my dog crawls under the bed" [syn: thunder]
4 make a deep hollow sound; "Her voice booms out the words of the song" [syn: boom out]
5 grow stronger; "The economy was booming" [syn: prosper, thrive, get ahead, flourish, expand]

User Contributed Dictionary

see Boom



Onomatopoetic, except in the "horizontal member" senses, which derive from the for tree.



  1. A period of prosperity or market activity
  2. A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour
  3. A horizontal member of a crane or derrick, used for lifting.
  4. An abrupt, low-pitched sound, such as of an explosion.
    The boom of the surf.
  5. A floating barrier used to obstruct the entry of an enemy to a harbour, or to contain floating logs


period of prosperity
spar extending the foot of a sail
  • Chinese traditional/simplified: 吊杆, 吊杆 (diào gān)
  • Finnish: puomi
  • French: bôme
  • German: Baum
horizontal member of a crane
  • Chinese traditional/simplified: 支臂, 支臂 (zhī bèi)
  • Finnish: puomi
  • French: mat
  • German: Ausleger
abrupt, low-pitched sound
floating barrier
  • Finnish: puomi


  1. The sound of an explosion.


sound of explosion
  • Dutch: boem
  • Finnish: pum
  • French: boum
  • German: Bumm
  • Spanish: pum


  1. To be prosperous.
    Business was booming.
  2. To speak or make noise with an intense, low pitch.


to be prosperous
  • Dutch: bloeien
  • Finnish: kukoistaa
  • German: blühen
to speak with low pitch

Derived terms





Extensive Definition

Boom may refer to:


Pole or spar application

  • Boom (sailing), spar at the foot of a sail on a sailboat
  • Boom (windsurfing), a wishbone shaped piece of windsurfing equipment
  • Boom (barrier), a floating separation barrier, usually a chain supported by interspersed buoyant elements, for blocking a waterway
  • Log boom, a barrier placed in a river, designed to collect and/or contain floating logs timbered from nearby forests
  • A mechanical arm for holding equipment, such as mounts for theater lights or a microphone stand
  • Boom operator (media), an assistant to the production sound mixer
  • Boom, the name of a spar used on a crane


Television and films

  • BOOMTV, a proposed Canadian premium television service
  • Boom! (1968 film), directed by Joseph Losey and based on The Milk Train Doesn't Stop Here Anymore by Tennessee Williams
  • Boom (2003 film), a Bollywood film directed by Kaizad Gustad
  • Boom, a character from Power Rangers: S.P.D.
  • "Boom" (CSI), a first-season episode of C.S.I.: Crime Scene Investigation
  • Boom! (TV series), an American reality television series



Sports and games



boom in German: Boom
boom in French: Boum
boom in Italian: Boom
boom in Dutch: Boom
boom in Simple English: Boom
boom in Thai: บูม

Synonyms, Antonyms and Related Words

Carling float, access, accession, accretion, accrual, accrue, accruement, accumulate, accumulation, addition, advance, aggrandizement, amplification, appreciate, appreciation, arch dam, ascent, augmentation, awake the dead, backfire, backstop, ball the jack, balloon, ballooning, balsa, balsa raft, bamboo curtain, bang, bank, bar, bark, barrage, barrel, barrier, batten, bawl, be reflected, be sent back, beam, bear-trap dam, beaver dam, bellow, birr, blare, blast, blast the ear, blat, bloat, bloating, bloom, blossom, blowout, blowup, blubber, board, bob, bombilate, bombinate, boom, booming, booming economy, boost, bottoming out, bounce back, bowl along, bray, breakwater, breastwork, breathe, breed, breeze, breeze along, brick wall, broaden, broadening, brush, buffer, buildup, bulkhead, bull market, bulwark, bum, buoy, burgeon, burgeoning, burr, burst, business cycle, business fluctuations, bust, buzz, cackle, cannonade, cant hook, cast loose, chant, chirp, clap, clap on ratlines, claw bar, clear hawse, clip, cofferdam, coo, cooling off, cork, crack, crank, crash, crescendo, crisis, crow, crowbar, cut along, cut loose, dam, deafen, defense, depression, detonation, develop, development, dike, din, discharge, ditch, downturn, drawl, drone, earthwork, echo, echo back, economic cycle, economic expansion, economic growth, edema, elevation, embankment, enlargement, exclaim, expanding economy, expansion, explode, explosion, extension, fatten, fence, fill the air, flare, flash, fleet, flit, float, flood, flourish, flower, flute, fly, fly low, foot, fulguration, fulmination, gain, gain strength, gasp, gate, get ahead, go fast, go up, gravity dam, greatening, groin, grow, grow fat, growl, growling, growth, grumble, grumbling, grunt, gush, handspike, haul, haul down, heave, heave apeak, heave round, heave short, high growth rate, highball, hike, hiss, hum, hydraulic-fill dam, increase, increment, inflation, intensify, iron crow, iron curtain, jam, jetty, jimmy, jump, kedge, keen, land-office business, lay, lay aloft, leap, leaping weir, levee, lever, life buoy, life preserver, life raft, lilt, limb, log, logjam, low, make knots, market expansion, marlinespike, milldam, moat, mole, mound, mount, mounting, multiplication, multiply, mumble, murmur, mutter, nip, outrigger, outstrip the wind, pant, parapet, peak, peaking, peal, peavey, pedal, pinch bar, pipe, pontoon, portcullis, pour it on, prize, productiveness, profitability, progress, proliferate, proliferation, prosper, prosperity, prosperousness, pry, purr, raft, raise, rampart, ratline down, rattle the windows, reboation, rebound, recession, recovery, reecho, rend the air, rend the ears, report, resonate, resound, resounding, return, reverberate, reverberation, ring, rip, ripping bar, rise, roadblock, roar, roaring trade, rock the sky, rock-fill dam, roll, rumble, rumbling, run up, scorch, scream, screech, seawall, send back, shoot up, shriek, shutter dam, sibilate, sigh, sing, sizzle, skim, slam, slowdown, slump, smash, snap, snarl, snort, snowball, snowballing, sob, sound, spar, spar down, speed, split the eardrums, split the ears, spread, squall, squawk, squeal, startle the echoes, stone wall, storm along, stream the log, strengthen, stun, surfboard, surge, sweep, swell, swelling, tear, tear along, thrive, thrum, thunder, thunder along, thundering, traverse a yard, treadle, trumpet, tumescence, twang, unlash, up, upping, upsurge, upswing, uptrend, upturn, wail, wall, warble, warp, wax, waxing, weir, wham, whine, whir, whisk, whisper, whiz, wicket dam, widen, widening, work, wrecking bar, yap, yawp, yell, yelp, zing, zip, zoom
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