/ Thesaurus / F Synonyms of foot fault Find synonyms for: Noun1. footfault, faultusage: a fault that occurs when the server in tennis fails to keep both feet behind the baselineWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language