/ Dictionary / Index M Monday morning quarterback: Meaning and Definition of Find definitions for: Mon'day morn'ing quar'terback Pronunciation: [key] a person who criticizes the actions or decisions of others after the fact, using hindsight to assess situations and specify alternative solutions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Monday morning disease Mondays Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language