Contradict
/kɒntɹəˈdɪkt/
verb
To deny the truth of (a statement or statements).
“His testimony contradicts hers.”
To deny the truth of the statement(s) made by (a person).
“Everything he says contradicts me.”
To be contrary to (something).
Synonyms: controvert, deny, disconfirm, dispute, dispute, gainsay, question, refute