/ Thesaurus / U Synonyms of unadaptable Find synonyms for: Adjective1. unadaptable (vs. adaptable), inflexible, rigid, unbendingusage: not adaptableWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language