boom

nouns

a deep prolonged loud noise
boom, roar, roaring, thunder
a state of economic prosperity
boom
is a type of (narrower)
an economic state of growth with rising profits and full employment
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"
bonanza, boom, bunce, godsend, gold rush, gravy, manna from heaven, windfall
a pole carrying an overhead microphone projected over a film or tv set
boom, microphone boom
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
boom
is a part of
a vessel that is powered by the wind; often having several masts
sailing ship, sailing vessel
is a type of (narrower)
a stout rounded pole of wood or metal used to support rigging
spar

verbs

make a resonant sound, like artillery
"His deep voice boomed through the hall"
boom, din
hit hard
"He smashed a 3-run homer"
blast, boom, nail, smash
be the case that thunder is being heard
"Whenever it thunders, my dog crawls under the bed"
boom, thunder
make a deep hollow sound
"Her voice booms out the words of the song"
boom, boom out
grow vigorously
"The deer population in this town is thriving"; "business is booming"
boom, expand, flourish, thrive