Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “boom”

boom

verb [I/T] (MAKE A DEEP SOUND)   /bum/
to make a deep , loud sound : [I] A voice boomed through the microphone .
(Definition of boom verb (MAKE A DEEP SOUND) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of boom

Browse related topics

You are looking at an entry to do with Poles, rods, shafts and sticks, but you might be interested in these topics from the Objects topic area:

Definitions of “boom” in other dictionaries

Word of the Day

drizzle

to pour liquid slowly over something, especially in a thin line or in small drops

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More