/ Thesaurus / E Synonyms of ex spouse Find synonyms for: Noun1. ex-spouse, adult, grownupusage: a person who was formerly a spouseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language