[ kon-truh-dik-tuh-ree ]
/ ˌkɒn trəˈdɪk tə ri /


asserting the contrary or opposite; contradicting; inconsistent; logically opposite: contradictory statements.
tending or inclined to contradict.

noun, plural con·tra·dic·to·ries.

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

1350–1400; Middle English < Late Latin contrādictōrius, equivalent to contrādic(ere) (see contradict) + -tōrius -tory1

OTHER WORDS FROM contradictory Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for contradictory

British Dictionary definitions for contradictory

/ (ˌkɒntrəˈdɪktərɪ) /


inconsistent; incompatible
given to argument and contentiona contradictory person
logic (of a pair of statements) unable both to be true or both to be false under the same circumstancesCompare contrary (def. 5), subcontrary (def. 1)

noun plural -ries

logic a statement that cannot be true when a given statement is true or false when it is false

Derived forms of contradictory

contradictorily, adverbcontradictoriness, noun
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