CONTRADICT, verb transitive [Latin , to speak.]
1. To oppose by words; to assert the contrary to what has been asserted, or to deny what has been affirmed.
It is not lawful to contradict a point of history known to all the world.
The Jews--spoke against those things which were spoken by Paul, contradicting and blaspheming. Acts 13:1.
2. To oppose; to be directly contrary to.
No truth can contradict another truth.