The belief in or practice of going nude in social, nonsexualized and frequently mixed-gender groups specifically in cultures where going nude in the social situation is not the norm.

A nuclear weapon. / (by extension) Something that destroys or negates, especially on a catastrophic scale. / A nuclear power station.

(transitive, chiefly US, colloquial) To use a nuclear weapon on a target. / (transitive, chiefly US, colloquial, figuratively) To destroy or erase completely.

Alternative spelling of nuc (“nucleus colony of bees”)

(anatomy, obsolete) Alternative form of nucha (“spinal cord; nape of the neck”)

(chiefly Northern England, archaic) Alternative form of nook (“a corner of a piece of land; an angled piece of land, especially one extending into other land”)

A stub, especially a stub of undeveloped corn or fruit or nipple. / (informal) A small protuberance, bud, bump, or knob. / (slang) The clitoris.

Trivial, trifling or of little importance. / Ineffective, invalid or futile. / (law) Having no force, inoperative, ineffectual.

(uncountable) The state or quality of being without clothing on the body; specifically, the quality of being without clothing on the genitals. / (countable, rare) Something or someone without clothes.

Of an age suitable for marriage; marriageable (principally of a young woman). [from 17th c.] / Sexually attractive (especially of a young woman).