tautology

Valid in Scrabble

Scrabble points
13
Words With Friends
15
Letters
9
Pronunciation
/tɔˈtɒləd͡ʒi/
See all 5 pronunciations
/tɔˈtɒləd͡ʒi/ · /toːˈtɔləd͡ʒi/ · /tɔˈtɑləd͡ʒi/ · /tɑˈtɑləd͡ʒi/ · /tɔˈtɔləd͡ʒe/

Definition of tautology

4 senses · 1 part of speech · etymology included

noun

  1. (rhetoric, uncountable)Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
    “It is tautology to say, "Forward Planning".”
See all 4 definitions

noun

  1. (rhetoric, uncountable)Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
    “It is tautology to say, "Forward Planning".”
  2. (countable, rhetoric)An expression that features tautology.
    “The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".”
    “Pure mathematics consists of tautologies, analogous to ‘men are men’, but usually more complicated.”
  3. (countable)A statement that is true for all truth values of its propositional variables.
  4. (countable)A statement that is true for all truth values of its Boolean atoms.

Definitions from Wiktionary, CC BY-SA.

Etymology

From Late Latin tautologia, from Ancient Greek ταὐτολογία (tautología) from ταὐτός (tautós, “the same”) + λόγος (lógos, “explanation”). By surface analysis, tauto- + -logy.

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