The characteristic of being pessimistic or contrarian. / Negative sentiment. / (physics) The characteristic of having a negative charge.

(debating) Clipping of negative.

(LGBT, public health) HIV negative

(Britain slang) To annoy or irritate deliberately.

(seduction community) An expression or implication that one has a negative value judgement of someone in order to make them desire one's approval, especially when trying to pick up a date.

Not positive nor neutral. / (physics) Of electrical charge of an electron and related particles / (mathematics) Of a number: less than zero / (weather) Less than zero degrees Celsius or Fahrenheit.

Refusal or withholding of assents; prohibition, veto / An unfavorable point or characteristic. / (law) A right of veto.

(transitive) To refuse; to veto. / (transitive) To contradict. / (transitive) To disprove. / (transitive) To make ineffective; to neutralize, to negate.

(law, signalling) No; nay.

In a negative manner; so as to be damaging or not positive. / (responding to a question, proposal, vote, etc.) In the negative; with the answer “no.”