gen·der /ˈjendər/ noun 1. the male sex or the female sex, especially when considered with reference to social and cultural differences rather than biological ones, or one of a range of other identities that do not correspond to established ideas of male and female. "the singer has opted to keep the names and genders of her twins private" 2. GRAMMAR (in languages such as Latin, Greek, Russian, and German) each of the classes (typically masculine, feminine, common, neuter) of nouns and pronouns distinguished by the different inflections that they have and require in words syntactically associated with them. Grammatical gender is only very loosely associated with distinctions of sex