· a deep prolonged loud noise

Synonym(s): roar, roaring, thunder

Hypernym(s): noise

· a state of economic prosperity

Hypernym(s): prosperity

· 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 like an assembly line"

Synonym(s): bonanza, gold_rush, gravy, godsend, manna_from_heaven, windfall, bunce

Hypernym(s): happening, occurrence, occurrent, natural_event

· a pole carrying an overhead microphone projected over a film or tv set

Synonym(s): microphone_boom

Hypernym(s): pole

· 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

Hypernym(s): spar

· make a resonant sound, like artillery; "His deep voice boomed through the hall"

Synonym(s): din

Hypernym(s): sound, go

· hit hard; "He smashed a 3-run homer"

Synonym(s): smash, nail, blast

Hypernym(s): hit

· be the case that thunder is being heard; "Whenever it thunders, my dog crawls under the bed"

Synonym(s): thunder

· make a deep hollow sound; "Her voice booms out the words of the song"

Synonym(s): boom_out

Hypernym(s): sound, go

· grow vigorously; "The deer population in this town is thriving"; "business is booming"

Synonym(s): thrive, flourish, expand

Hypernym(s): grow