boom

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”

a deep prolonged loud noise

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

a state of economic prosperity

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

hit with great force“He smashed a 3-run homer”

grow vigorously“The deer population in this town is thriving”

make a resonant sound, like artillery“His deep voice boomed through the hall”

be the case that thunder is being heard“Whenever it thunders, my dog crawls under the bed”

make a deep hollow sound“Her voice booms out the words of the song”