negative,adj.1. Of or relating to something bad; not positive <a negative attitude>.2. Of or
relating to refusal of consent; not affirmative <a negative answer>.
negative,n.1. A word or phrase of denial or refusal <“no” and “not” are negatives>.2. A word expressing the opposite of the positive <two negatives and one positive>.3. The original plate of a photograph, on which light and shadows are the opposite of the positive images later created and printed < not only the pictures, but also the negatives, were required to be returned>.4.Archaic.
The power of veto <the king’s negative has eroded>.
negative,vb. To negate; to deny, nullify, or render ineffective <the jury negatived fraud>.
[Blacks Law 8th]