/ Thesaurus / O Synonyms of onanist Find synonyms for: Noun1. masturbator, onanist, person, individual, someone, somebody, mortal, soulusage: a person who practices masturbationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language