Definition of tautology

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  • tautology is a valid Scrabble US word with a point value of 13
  • tautology is a valid Scrabble UK word with a point value of 13
  • tautology is a valid Words with friends word with a point value of 15

Definition of tautology

  • (logic) a statement that is necessarily true (noun)

    Examples

    1. the statement `he is brave or he is not brave' is a tautology
  • useless repetition (noun)

    Examples

    1. to say that something is `adequate enough' is a tautology

See definition of tautology in Merriam Webster