DictionaryAI

uncertainty

noun
Sayun-SUR-tuhn-tee/ʌnˈsɝtənti/UK/ʌnˈsɜːtənti/

Pluraluncertainties (some meanings)

3 meanings of uncertainty

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  1. 1
    noununcountable
    The feeling of not being sure about something.

    Like standing at a fork in the road and not knowing which way to go.

    There was a lot of uncertainty about when the trip would happen.

    Her uncertainty showed when she kept changing her answer.

    Similardoubt, unpredictability, insecurity, hesitancy, indecision

    Oppositecertainty, confidence, conviction, assurance

    Note
  2. 2
    nouncountable
    A thing that you cannot be sure about.

    Like a question mark hanging over your plans.

    There is one big uncertainty in our plan: the weather.

    The job offer removed many uncertainties about her future.

    Similarunknown, question, imponderable, contingency, variable

    Oppositecertainty

    Note
  3. 3
    noununcountable
    A number that shows how spread out a set of measurements is.

    Like saying you weigh about 70 kilos, give or take one.

    Scientists always report the uncertainty in their measurements.

    A small uncertainty means the result is very precise.

    Similarerror, imprecision

    Note

Practice

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Origin

From Middle English uncerteynte. It comes from "un-" plus "certainty," or from "uncertain" plus "-ty."