/ Thesaurus / P Synonyms of preventable Find synonyms for: Adjective1. preventable (vs. unpreventable)usage: capable of being prevented; "conscious of preventable human suffering"- A.L.GuerardWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language