/ Thesaurus / A Synonyms of at fault Find synonyms for: Adjective1. at fault, guilty (vs. innocent)usage: deserving blame; "admitted to being at fault"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language