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assertion.

The act of asserting; positive declaration or averment.

9 characters3 syllables approx.English language

Meaning & usage

noun/əˈsɜːʃən/Received-Pronunciation/əˈsɜɹʃən/General-American[əˈsɝʃn̩]General-American
  1. The act of asserting; positive declaration or averment.

    countable · uncountable
  2. Something which is asserted; a declaration; a statement asserted.

    countable · uncountable
    You're a man of strong assertions!
  3. A statement or declaration which lacks support or evidence.

    countable · uncountable
    That's just a bare assertion.
  4. Maintenance; vindication.

    countable · uncountable
    the assertion of one's rights or prerogatives
  5. A statement in a program asserting a condition expected to be true at a particular point, used in debugging.

    countable · uncountable
  6. The set of information that the statement preparer is providing in a financial statement audit.

    countable · uncountable
Where this word comes from

From Middle English assercioun, from Latin assertiō. By surface analysis, assert + -ion.

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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.