Thesaurus

boom

noun

Synonyms of boom

(Entry 1 of 2)

a loud explosive sound
  • the nerve-jangling boom of a car backfiring

Synonyms for boom

Words Related to boom

boom

verb

Synonyms & Antonyms of boom (Entry 2 of 2)

1 to become greater in size, extent, volume, amount, or number
  • with the strong economy, business is booming

Synonyms for boom

Words Related to boom

Antonyms for boom

2 to make a long loud deep noise or cry
  • the cannons boomed throughout the night

Synonyms for boom

Words Related to boom

Near Antonyms for boom

See the Dictionary Definition 

Keep scrolling for more

Learn More about boom

Time Traveler for boom

Time Traveler

The first known use of boom was in the 15th century

See more words from the same century

Cite this Entry

“Boom.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boom. Accessed 6 Jul. 2020.

Keep scrolling for more

More from Merriam-Webster on boom

Dictionary: Definition of boom

Rhyming Dictionary: Words that rhyme with boom

Spanish Central: Translation of boom

Nglish: Translation of boom for Spanish Speakers

Britannica English: Translation of boom for Arabic Speakers

Comments on boom

What made you want to look up boom? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!