To deny the existence, evidence, or truth of; to contradict. / To nullify or cause to be ineffective. / To be negative; bring or cause negative results. / (computing) To perform the NOT operation on.

simple past tense and past participle of negate

Third-person singular simple present indicative form of negate

plural of negater

Alternative form of negator

present participle of negate

(uncountable) The act of negating something. / (countable) A denial or contradiction.

simple past tense and past participle of negatize

(transitive, dated) To negate or cancel out.

Third-person singular simple present indicative form of negatize