boom

verb

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\ ˈbüm

boomed; booming; booms

Definition of boom

(Entry 1 of 3)

intransitive verb

1 : to make a deep hollow sound

2a : to increase in importance, popularity, or esteem

b : to experience a sudden rapid growth and expansion usually with an increase in prices business was booming

c : to develop rapidly in population and importance California boomed when gold was discovered there

d : to increase greatly in size or number the population boomed

transitive verb

1 : to cause to resound —often used with out his voice booms out the lyrics

2 : to cause a rapid growth or increase of : boost

3 : to hit or kick forcefully boom a punt

boom

noun (1)

Definition of boom (Entry 2 of 3)

1 : a booming sound or cry —often used interjectionally to indicate suddenness then boom, he was fired

2 : a rapid expansion or increase: such as

a : a general movement in support of a candidate for office

b : rapid settlement and development of a town or district

c : a rapid widespread expansion of economic activity

d : an upsurge in activity, interest, or popularity a folk music boom

boom

noun (2)

Definition of boom (Entry 3 of 3)

1 : a long spar used to extend the foot of a sail

2a : a chain or line of connected floating timbers extended across a river, lake, or harbor (as to obstruct passage or catch floating objects)

b : a temporary floating barrier used to contain an oil spill

3a : a long beam projecting from the mast of a derrick to support or guide cargo

b : a long more or less horizontal supporting arm or brace (as for holding a microphone)

4 : a spar or outrigger connecting the tail surfaces and the main supporting structure of an aircraft

Synonyms & Antonyms Example Sentences Learn More about boom

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Examples of boom in a Sentence

Verb the sound of the bass drum booming His voice boomed out across the congregation. She boomed commands from the stern of the ship. “What's going on here?” he boomed. Housing construction has boomed in the past year. Last year we almost had to close the store, but now business is booming.