boom

a deep prolonged loud noise

a state of economic 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”

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

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

make a resonant sound, like artillery

“His deep voice boomed through the hall”

“Cars boom in the streets”

“The streets boom with cars”

hit with great force

“He smashed a 3-run homer”

be the case that thunder is being heard

“Whenever it thunders, my dog crawls under the bed”

“It was booming all day long”

“The business is going to boom”

make a deep hollow sound

“Her voice booms out the words of the song”

grow vigorously

“The deer population in this town is thriving”

“business is booming”

“The business is going to boom”