boom

//buːm//
B1Frequency Level 8Neutral
Visual representation of boom

Noun

boomSingular
boomsPlural
1

A loud, deep, resonant sound.

We heard the boom of thunder in the distance.

2

A period of rapid economic growth, prosperity, or expansion.

The country experienced an economic boom in the 1990s.

3

A long pole or spar used to extend the foot of a sail or to support a microphone or camera.

The camera operator adjusted the boom to get a better angle.

Verb

boomInfinitive
boomPresent tense
boomedPast tense
boomedPast participle
boomingPresent participle
boomsThird-person singular
1

To make a loud, deep, resonant sound.

Thunder boomed across the sky.

2

To experience a period of rapid economic growth or sudden prosperity.

The tech industry boomed in the 1990s.