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Definition of kaboom

kaboom

/kəˈbuːm/
ka · boom
Plural:kabooms
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kaboom Lexical Profile

kaboom Game Scores & Validity

• interjection

1

Used to imitate or represent the sudden, loud sound of an explosion or heavy impact.

Example

"The chemistry teacher mixed the two solutions, and kaboom, foam erupted over the edge of the beaker."

Synonyms
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• noun

1

A loud, deep, resonant sound, or the explosion or crash that produces it.

Example

"During the summer fireworks display, the final rocket went off with a massive kaboom that echoed across the lake."

Synonyms
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• Rhymes for kaboom

• Nearby Words

kablooey
kablooie
kabocha
kaboom
kabosu
kabul
kabul river

Word Origin & Etymology

First recorded in the mid-20th century, this word is an expressive formation combining the colloquial intensifying prefix 'ka-' with the onomatopoeic noun 'boom'.

Cite this Entry

Wordmom. (2026). Definition of Kaboom. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/kaboom
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