Synonyms of boom in English:

boom


See definition of boom

noun

1‘she heard the boom of the waves on the rocks below’

SYNONYMS

reverberation, resonance, resounding

thunder, thundering, roaring, echoing, re-echoing, blasting, crashing, drumming, thrumming, pounding

roar, rumble, bellow, bang, blast, blare, loud noise

2‘retailers are cashing in on an unprecedented boom’

SYNONYMS

upturn, upsurge, upswing, increase, advance, growth spurt, boost

expansion, escalation, augmentation, improvement, progress, development, success

ANTONYMS

recession, slump


verb

1‘thunder boomed in the sky overhead’

SYNONYMS

reverberate, resound, resonate

rumble, thunder, ring out, sound loudly, blare, echo, fill the air

crack, crash, roll, clap, explode, bang, blast

2‘a voice boomed at her from a small doorway’

SYNONYMS

bellow, roar, thunder, shout, bawl, yell, bark

North American informal holler

rare vociferate

ANTONYMS

whisper

3‘the property market continued to boom’

SYNONYMS

flourish, burgeon, thrive, prosper, progress, do well, succeed, be successful, improve, pick up, come on

grow rapidly, develop, expand, balloon, increase, swell, intensify, mushroom, snowball, rocket

ANTONYMS

decline, slump