/ Dictionary / Index E eleventh hour: Meaning and Definition of Find definitions for: elev'enth hour' Pronunciation: [key] the last possible moment for doing something: to change plans at the eleventh hour. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eleventh Amendment elevon Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language