(computing, programming) A kind of integer variable, allowing a greater range of possible values than a long.

plural of long long

Having much distance from one terminating point on an object or an area to another terminating point (usually applies to horizontal dimensions; see Usage Notes below). / Having great duration.

(linguistics) A long vowel. / (prosody) A long syllable. / (music) A note formerly used in music, one half the length of a large, twice that of a breve.

(transitive, finance) To take a long position in.

Over a great distance in space. / For a particular duration. / For a long duration.

(intransitive) To await, aspire, desire greatly (something to occur or to be true).

(archaic) On account of, because of.

(archaic) To be appropriate to, to pertain or belong to.

Longitude.