adj. 1. Involving, of the nature of, or being a contradiction: contradictory reports about the vaccine's effectiveness. See Synonyms at opposite. 2. Given to contradicting: The contradictory council members often ended up squabbling. n. pl. con·tra·dic·to·ries Logic Either of two propositions related in such a way that it is impossible for both to be true or both to be false. con′tra·dicto·ri·ly adv. con′tra·dicto·ri·ness n. |
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