To bring to an end the effect or existence of; cancel out:
To deny the statement of (a person)
To refuse to accept as true or right; reject as unfounded, unreal, etc.
To make negative:
To give up, relinquish, or reject something.
To be inconsistent with; be contrary to:
To declare support for or belief in:
Find another word for disaffirm. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for disaffirm, like: annul, contradict, deny, disclaim, gainsay, negate, renounce, repudiate, reverse, contravene and controvert.