/ Thesaurus / P Synonyms of plasticise Find synonyms for: Verb1. plasticize, plasticise, changeusage: become plastic, as by having a plasticizer added2. plasticize, plasticise, change, alter, modifyusage: make plastic, as by the addition of a plasticizer; "plasticized PVC"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language