uncertainty

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uncertainty

  • /ʌnˈsɜːtənti/ UK
  • /ʌnˈsɝtənti/ Canada, US
  • /ɐnˈsɜːtənti/ Australia
  • /ɐnˈsøːtənti/ New Zealand

Where it comes from

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

noun uncertainties · uncertainity

  1. uncountable Doubt; the condition of being uncertain or without conviction. “Well,” I answered, at first with uncertainty, then with inspiration, “he would do splendidly to lead your cotillon, if you think of having one.” ¶ “So you do not dance, Mr. Crocker?” ¶ I was somewhat set back by her perspicuity.
  2. countable Something uncertain or ambiguous. Near-synonym: uncertain (noun)

    Similar: uncertain

  3. uncountable A parameter that measures the dispersion of a range of measured values.

Similar: uncertainness · Opposite: certainty, closure

Thesaurus

Closest in meaning: incertitude, uncertainness, dubiety, doubt, dubiousness, doubtfulness, uncertain, unsure, indecisiveness, unclear, unpredictability, indecision, vagueness, precariousness, instability, suspicious

noun

Similar: uncertainness · Opposite: certainty, closure

Translations

Every language

noun doubt; the condition of being uncertain

Españolincertidumbre, incerteza, incertitud, incertinidad
한국어불확실 bulhwaksil
中文不确定性 bù què dìng xìng
हिन्दीसंदेह sandeh, संशय sañśay, अनिश्चय aniścay
Portuguêsincerteza
Françaisincertitude
DeutschUnsicherheit, Ungewissheit
Italianoincertezza
Ελληνικάαβεβαιότητα avevaiótita
Românăincertitudine, nesiguranță
Русскийнеуве́ренность neuvérennostʹ, сомне́ние somnénije

noun something uncertain or ambiguous

한국어불확실한 것 bulhwaksilhan geot
हिन्दीअनिश्चितता aniścittā, अनिश्चय aniścay
Portuguêsincerteza
DeutschUnsicherheit
Русскийнеуве́ренность neuvérennostʹ, нея́сность nejásnostʹ, неопределённость neopredeljónnostʹ

noun mathematics: a parameter that measures the dispersion

Русскийпогре́шность pogréšnostʹ, нето́чность netóčnostʹ, неопределённость neopredeljónnostʹ

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MLA

"uncertainty." Wiktionary, via Micwyn, micwyn.com/word/uncertainty. Accessed 6 Nov. 2026.

APA

uncertainty. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/uncertainty

Chicago

"uncertainty." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/uncertainty.

BibTeX
@misc{uncertainty_2026,
  title = {uncertainty},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/uncertainty},
  urldate = {2026-11-06}
}