expressing 'no', 'not', a refusal; lacking commitment, enthusiasm; (of number or amount) less than zero
bad, contradictory
Cases of word usage
1) (usually used in negative sentences) a feeling of regret for one's action (compunction)
2) a very small particle of matter, smaller than an atom, having a negative electric charge (electron)
3) an expression of a positive feeling or affirmative statement by using a negative one, as in 'I shall not be sorry when it's over' (litotes)
4) the figure 0; the point between the positive ( + ) and negative ( - ) on a scale, especially on a thermometer (zero)