/ Thesaurus / R Synonyms of rigidifying Find synonyms for: Noun1. stiffening, rigidifying, rigidification, natural process, natural action, action, activityusage: the process of becoming stiff or rigidVerb1. rigidify, stiffenusage: become rigid; "The body rigidified"2. rigidify, ossify, petrify, stiffenusage: make rigid and set into a conventional pattern; "rigidify the training schedule"; "ossified teaching methods"; "slogans petrify our thinking"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language