certainty

From Wiktionary

Pronunciation[change]

Noun[change]

Singular
certainty

Plural
certainties

  1. (uncountable) Certainty is the state of being 100% sure.
    It's a little too early to say that with absolute certainty.
    The doctor could not say what was wrong with any degree of certainty.
  2. (countable) If something is a certainty, it is sure to happen.
    The expected change became a certainty two weeks ago.
    We need to accept the certainties of aging, illness, and death.

Related words[change]