verb (used with or without object), fem·i·nized, fem·i·niz·ing.
- to make or become feminine.
verb
- to make or become feminine
- to cause (a male animal) to develop female characteristics
1650s, from Latin femina (see feminine) + -ize. Related: Feminized; feminizing. Femalize (1670s, intransitive, 1709, transitive) and femininize (1868) are more rare.