/ Thesaurus / F Synonyms of flexible joint Find synonyms for: Noun1. hinge, flexible joint, jointusage: a joint that holds two parts together so that one can swing relative to the otherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language