Contradict

verb

1. To deny the truth of (a statement or statements).

   "His testimony contradicts hers."

2. To deny the truth of the statement(s) made by (a person).

   "Everything he says contradicts me."

3. To be contrary to (something).
4. To give an order contrary to (another order or wish), oppose (something).
5. To give an order contrary to one given by (another person), oppose or resist (someone).