Contradict

·vt To be contrary to; to Oppose; to Resist.

II. Contradict ·vi To oppose in words; to Gainsay; to deny, or assert the contrary of, something.

III. Contradict ·vt To assert the contrary of; to oppose in words; to take issue with; to Gainsay; to deny the truth of, as of a statement or a speaker; to Impugn.