/ Thesaurus / E Synonyms of eleventh hour Find synonyms for: Noun1. eleventh hour, last minute, moment, minute, second, instantusage: the latest possible moment; "money became available at the eleventh hour"; "at the last minute the government changed the rules"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language