Home › Words › G › giantizegiantizegiantize means to make giant or gigantic; to increase to huge proportions.Among words judged in Lexicurio's Arena, giantize ranks #16,765 of 42,785 for Qualifying.EtymologyFrom giant + -ize. Compare French géantiser.verbTo make giant or gigantic; to increase to huge proportions.Definitions & examples from Wiktionary (CC BY-SA 3.0).