1. (noun)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
2. (adj)United States Virgin Islands, American Virgin Islands, VI more than 130 southeastern Virgin Islands; a dependent territory of the United States
3. (adj)six, 6, vi, half dozen, half-dozen denoting a quantity consisting of six items or units
Definition of 'VI' 
