/ Thesaurus / U Synonyms of unsuitability Find synonyms for: Noun1. unsuitability, unsuitableness, ineptness, qualityusage: the quality of having the wrong properties for a specific purposeWordNet 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