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ENGLISH · A WORD WITH POSSIBILITIES

kaboom.

The sound of an explosion, typically seen in comic strips or heard in a light-hearted conversation.

6 characters2 syllables approx.English language

Meaning & usage

noun/kəˈbuːm/
  1. The sound of an explosion, typically seen in comic strips or heard in a light-hearted conversation.

  2. An explosion itself.

Where this word comes from

From ka- + boom. Compare kerboom. Consider Italian tapum.

intj/kəˈbuːm/
  1. An explosion; the word is typically seen in comic strips or heard in a light-hearted conversation.

Where this word comes from

From ka- + boom. Compare kerboom. Consider Italian tapum.

verb/kəˈbuːm/
  1. To make such a sound (at something); to explode.

    ambitransitive · informal
Where this word comes from

From ka- + boom. Compare kerboom. Consider Italian tapum.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.