A long, thin, sharp implement usually for piercing as in sewing, embroidery, acupuncture, tattooing, body piercing, medical injections, sutures, etc; or a blunt but otherwise similar implement used for forming loops or knots in crafts such as darning, knitting, tatting, etc.

Any slender, pointed object resembling a needle, such as a pointed crystal, a sharp pinnacle of rock, an obelisk, etc.

A fine measurement indicator on a dial or graph.

(informal) A sensor for playing phonograph records, a phonograph stylus.

A needle-like leaf found on some conifers.

A strong beam resting on props, used as a temporary support during building repairs.

(informal, usually preceded by the) The death penalty carried out by lethal injection.

(programming) A text string that is searched for within another string. (see: needle in a haystack)

(entomology) Any of various species of damselfly of the genus Synlestes, endemic to Australia.

To pierce with a needle, especially for sewing or acupuncture.

(transitive) To tease in order to provoke; to poke fun at.

(transitive, intransitive) To form, or be formed, in the shape of a needle.