Synonyms of certainty in English:

certainty

noun

  • 1 she knew with certainty that he was telling the truth
    [Antonyms] doubt
  • 2 he accepted defeat as a certainty
    [Antonyms] impossibility, possibility
  • Definition of certainty in:

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    Word of the day demoralize
    Pronunciation: dɪˈmɒrəlʌɪz
    verb
    cause (someone) to lose confidence or hope