/ Thesaurus / A Synonyms of atavist Find synonyms for: Noun1. atavist, throwback, organism, beingusage: an organism that has the characteristics of a more primitive type of that organismWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language