/ Thesaurus / S Synonyms of supplanter Find synonyms for: Noun1. usurper, supplanter, wrongdoer, offenderusage: one who wrongfully or illegally seizes and holds the place of anotherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language