/ Thesaurus / I Synonyms of inheritress Find synonyms for: Noun1. heiress, inheritress, inheritrix, heir, inheritor, heritorusage: a female heirWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language