negative

1. Refusal or withholding of assents; prohibition, veto
2. A right of veto.
3. An image in which dark areas represent light ones, and the converse.
4. (grammar) A word that indicates negation.
5. A negative quantity.
6. : A rep performed with weight in which the muscle begins at maximum contraction and is slowly extended; a movement performed using only the eccentric phase of muscle movement.
7. The negative plate of a voltaic or electrolytic cell.

1. To refuse; to veto.
2. To contradict.
3. To disprove.
4. To make ineffective; to neutralize.

1. Not positive nor neutral.
2. Of electrical charge of an electron and related particles
3. Of a number: less than zero
4. Denying a proposition.
5. Damaging; undesirable; unfavourable.

   Customers didn’t like it: feedback was mostly negative.

6. Often used pejoratively: pessimistic; not tending to see the bright side of things.

   I don’t like to hang around him very much because he can be so negative about his petty problems.

7. Of or relating to a photographic image in which the colours of the original, and the relations of left and right, are reversed.
8. Metalloidal, nonmetallic; contrasted with positive or basic.

   The nitro group is negative.

9. (New Age jargon) Often preceded by emotion, energy, feeling, or thought: to be avoided, bad, difficult, disagreeable, painful, potentially damaging, unpleasant, unwanted.
10. Characterized by the presence of features which do not support a hypothesis.
11. HIV negative

interjection

(signalling) An elaborate synonym for no.