Noun

1. a negative
2. a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known

Adjective

1. quantifier; used with either mass nouns or plural count nouns for indicating a complete or almost complete lack or zero quantity of

Adverb

1. used to express refusal or denial or disagreement etc or especially to emphasize a negative statement
2. not in any degree or manner; not at all
3. referring to the degree to which a certain quality is present