- Logic. a proposition so related to a second that it is impossible for both to be true or both to be false.
Origin of contradictory
SynonymsSee more synonyms for contradictory on Thesaurus.com
Examples from the Web for contradictoriness
And she was tormented by the contradictoriness of everything.The Rainbow
D. H. (David Herbert) Lawrence
But I venture to hope that there are some Buddhists among my readers who will wish the contradictoriness of his actions explained.The Hoosier Schoolmaster
I have not touched on a hundredth part of their contradictoriness, which makes the Irish so eternally unexpected and interesting.Peeps at Many Lands: Ireland
This pure zeal for the establishment and general admission of the truth is usually termed 'contradictoriness.'The Human Machine
E. Arnold Bennett
As soon, however, as one understands the cause of it, this contradictoriness is seen to be more apparent than actual.How To Ski and How Not To
- logic a statement that cannot be true when a given statement is true or false when it is false
Word Origin and History for contradictoriness
1530s, "mutually opposed, at variance," from Late Latin contradictorius "containing a contradiction or objection," from contradictus, past participle of contradicere (see contradiction). Meaning "fond of contradicting" is from 1891. Used earlier as a noun (late 14c.).