/ Thesaurus / D Synonyms of defeminize Find synonyms for: Verb1. defeminize, defeminise, alter, neuter, spay, castrateusage: remove the ovaries of (female mammals such as cats)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language