Synonyms for negative

modified

1. Involving a refusal

   denying, negatory, dissentient, disavowing, contradictory, contrary, adverse, adversarial, repugnant, recusant, gainsaying, impugning, contravening, rejecting, naysaying, disallowing, nullifying, negating.

   Antonyms admissible*, assenting, accepting.

2. Lacking positive qualities

   unaffirmative, absent, removed, privative, neutralizing, counteractive, annulling, abrogating, invalidating.

   Antonyms emphatic*, positive, affirmative.

3. Pessimistic

   cynical, unenthusiastic, uninterested, glum, morose, cool*, cold*.

noun

1. A refusal

   contradiction, disavowal, refutation; see denial 1, refusal.

2. A negative image

   film, plate, developed film; see image 2, picture 2.