Synonyms
Antonyms
Etymology

1. tautology

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

Synonyms

  • truth

Antonyms

  • inaccuracy
  • accurate

Etymology

  • tautologia (Latin)
  • ταυτολογία (Ancient Greek (to 1453))

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2. tautology

noun. useless repetition.

Synonyms

  • repetitiveness

Antonyms

  • inaccurate
  • inexactness

Etymology

  • tautologia (Latin)
  • ταυτολογία (Ancient Greek (to 1453))

Example sentences of the word tautology


1. Noun, singular or mass
For instance, the statement “I will eat my dinner or I will not” is a tautology, because it allows for either instance and therefore is always true.

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