Disaffirming is a term that means to deny or contradict a statement or belief. There are a number of synonyms for this word that can be used in various circumstances to express the same concept. Some examples include negating, refuting, contradicting, rebutting, and denying. These words are interchangeable and can be used in academic writing, debate, or even casual conversation. Disproving, contradicting, and invalidating are other potential synonyms for disaffirming that all have slightly different connotations. Overall, these words all convey the same idea of rejecting or disproving a claim or belief.