1. (adj)six, 6, VI, sixer, sise, Captain Hicks, half a dozen, sextet, sestet, sextuplet, hexad the cardinal number that is the sum of five and one Synonyms: six, sise, half a dozen, sextet, hexad, sixsome, six-spot, sextuplet, sestet, sixer, sextette Antonyms: ordinal
2. (adj)six, 6, vi, half dozen, half-dozen denoting a quantity consisting of six items or units Synonyms: halfdozen, half-dozen, vi, six Antonyms: ordinal