|Origin:||, past participle of contradicere, from contra- ( CONTRA-) + dicere 'to say'|
1 [intransitive and transitive]
to disagree with something, especially by saying that the opposite is true:
Deborah opened her mouth to contradict, but closed it again.
Dad just can't bear to be contradicted.
The article flatly contradicts their claims.
if one statement, story etc contradicts another, the facts in it are different so that both statements cannot be true:
The witness statements contradict each other and the facts remain unclear.
to say something that is the opposite of what you said before:
Within five minutes he had contradicted himself twice.