Synonyms for Boom:

n.

commercial, commercialism, noise, pay, speculative, yield, speculation, profitability, arbitrage. bay, berth, blade, growth, bilge, bowsprit, bow, aft, inflation, rush, increase, amidships, beam. camera, celluloid, developer, roll, darkroom, grumble, growl, aperture, Asa, digicam, rumble, camcorder, cartridge. come back, revive, grow on, come in, catch on, be in demand, go, appeal, go down a storm, set a trend, score. drawbridge, footbridge, arch, sounds, overpass, bridge, cantilever, aqueduct, flyover, pier. buoyancy, capitalist, credit crunch, deflation, boom and bust, consumer confidence, Agronomics, depression, austerity. caterwaul, clank, clash, clang. beep, clamour, cacophony. fashion, favourite, hot spot, magnet, HIT, fashion statement, winner, popularity, fascination. beam (noun)
cantilever.
boom (noun)
boom out, roar, prosper, flourish, thunder, thrive, nail, expand, roaring, get ahead, din, bonanza, smash, blast, microphone boom, manna from heaven.
event (noun)
roar, thunder, roaring.
loudness (noun)
tumult, tumultuousness, racket, blare, noisiness, vociferousness, uproariousness, sonority, loudness, uproar, hubbub, clangor, clamor, stridency, honk, blast, din, boisterousness, roar.
loud noise (noun)
report.
loud sound; crash (noun)
clap, rumble, blare, thunder, slam, blast, burst, bang, roar, smash.
prosperity (noun)
growth, inflation, rush, increase.
snap (noun)
snap, bang, crash, smack, clap, crepitation, bump, flap, report, thwack, slam, knock, slap, thump, burst, clack, whack, tap, click, rap.

v.

crash; make loud sound (verb)
roll.
perception (verb)
din.
prosper (verb)
expand, thrive, flourish.
weather (verb)
thunder.

Other synonyms:

fashion, magnet, bay, yield, pier, buoyancy, developer, aperture, inflation, speculative. blade, arch, come back, fascination, capitalist, depression, growl, revive. growth, rumble, hot spot. bridge, grumble, come in. appeal. roll, clash. HIT. go. do well
thrive.
growth
increase.
rumble
rumble.
Other relevant words:
revive, bonanza, nail, cartridge, aft, smash, clamour, Asa, flourish, score, blade, microphone boom, thunder, inflation, prosper, growl, roll, darkroom, buoyancy, clang, deflation, aperture, get ahead, camcorder, profitability, grumble, fashion, developer, roaring, amidships, expand, growth, depression, berth, speculation, popularity, commercialism, bowsprit, digicam, go, beam, boom out, thrive, appeal, noise, bridge, increase, manna from heaven, rush, rumble.

Usage examples for boom

  1. Another tug at the bell- rope, and a loud boom – The Man with a Shadow by George Manville Fenn
  2. Even as I looked there was the boom of a great gun, and then another. – Danger! and Other Stories by Arthur Conan Doyle
  3. But then the town had a sudden boom – The Harbor by Ernest Poole