Negative Neg"a*tive, v. t. [imp. & p. p. Negatived; p. pr. & vb. n. Negativing.] 1. To prove unreal or intrue; to disprove. The omission or infrequency of such recitals does not negative the existence of miracles. --Paley. 2. To reject by vote; to refuse to enact or sanction; as, the Senate negatived the bill. 3. To neutralize the force of; to counteract.