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uncertainty.

Doubt; the condition of being uncertain or without conviction.

11 characters4 syllables approx.English language

Meaning & usage

noun/ʌnˈsɜːtənti/Received-Pronunciation/ʌnˈsɝtənti/Canada, General-American/ɐnˈsɜːtənti/Australia/ɐnˈsøːtənti/New-Zealand
  1. Doubt; the condition of being uncertain or without conviction.

    uncountable
  2. Something uncertain or ambiguous.

    countable
    Some uncertainties remain; an especially salient uncertainty is the timing of their return trip.
  3. A parameter that measures the dispersion of a range of measured values.

    uncountable
Where this word comes from

From Middle English uncerteynte; equivalent to un- + certainty or uncertain + -ty.

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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.