from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of contradicting.
  • n. The state of being contradicted.
  • n. A denial.
  • n. Inconsistency; discrepancy.
  • n. Something that contains contradictory elements.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of contradicting.
  • n. A statement that contradicts itself.
  • n. a logical incompatibility among two or more elements or propositions
  • n. (countable) A proposition that is false for all values of its variables.

from the GNU version of the Collaborative International Dictionary of English

  • n. An assertion of the contrary to what has been said or affirmed; denial of the truth of a statement or assertion; contrary declaration; gainsaying.
  • n. Direct opposition or repugnancy; inconsistency; incongruity or contrariety; one who, or that which, is inconsistent.

from The Century Dictionary and Cyclopedia

  • n. An assertion of the direct opposite to what has been said or affirmed; denial; contrary declaration.
  • n. Opposition, whether by argument or conduct.
  • n. Direct, opposition or repugnancy; absolute inconsistency; specifically, the relation of two propositions which are so opposed that one must be false and one must be true.
  • n. Figuratively, a person who or a thing which is self-contradictory or inconsistent.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. opposition between two conflicting forces or ideas
  • n. the speech act of contradicting someone
  • n. (logic) a statement that is necessarily false


From Latin contrādictiō, from contrādīcō ("speak against"). (Wiktionary)



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