six

(noun) the cardinal number that is the sum of five and one. Synonyms: 6, VI, sixer, sise, Captain Hicks, half a dozen, sextet, sestet, sextuplet, hexad.

(noun) a playing card or domino or die whose upward face shows six pips. Synonyms: six-spot.

(adj) denoting a quantity consisting of six items or units. Synonyms: 6, vi, half dozen, half-dozen.