• synonyms


verb (used with object)
  1. to assert the contrary or opposite of; deny directly and categorically.
  2. to speak contrary to the assertions of: to contradict oneself.
  3. (of an action or event) to imply a denial of: His way of life contradicts his stated principles.
  4. Obsolete. to speak or declare against; oppose.
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verb (used without object)
  1. to utter a contrary statement.
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Origin of contradict

1560–70; < Latin contrādictus (past participle of contrādīcere to gainsay), equivalent to contrā- contra-1 + dic- (variant stem of dīcere to speak) + -tus past participle suffix
Related formscon·tra·dict·a·ble, adjectivecon·tra·dict·er, con·tra·dic·tor, nounun·con·tra·dict·a·ble, adjectiveun·con·tra·dict·a·bly, adverbun·con·tra·dict·ed, adjectiveun·con·tra·dict·ed·ly, adverb


Synonym study

1, 2. See deny.


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for uncontradictable

Historical Examples

  • It is an uncontradictable fact that without exercise all organs flatten and end by disappearing altogether.

    The Queen Pedauque

    Anatole France

British Dictionary definitions for uncontradictable


  1. (tr) to affirm the opposite of (a proposition, statement, etc)
  2. (tr) to declare (a proposition, statement, etc) to be false or incorrect; deny
  3. (intr) to be argumentative or contrary
  4. (tr) to be inconsistent with (a proposition, theory, etc)the facts contradicted his theory
  5. (intr) (of two or more facts, principles, etc) to be at variance; be in contradiction
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Derived Formscontradictable, adjectivecontradicter or contradictor, nouncontradictive or contradictious, adjectivecontradictively or contradictiously, adverbcontradictiveness or contradictiousness, noun

Word Origin

C16: from Latin contrādīcere, from contra- + dīcere to speak, say
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for uncontradictable



1570s, "speak against," also "assert the contrary" (1580s), from Latin contradictus, past participle of contradicere (see contradiction). Related: Contradicted; contradicting; contradictive.

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Online Etymology Dictionary, © 2010 Douglas Harper