/ Thesaurus / U Synonyms of unsubstantialize Find synonyms for: Verb1. immaterialize, immaterialise, unsubstantialize, unsubstantialise, change, alter, modifyusage: render immaterial or incorporealWordNet 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