/ Dictionary / Index B blue Monday: Meaning and Definition of Find definitions for: blue' Mon'day Pronunciation: [key] a Monday regarded as a depressing workday in contrast to the pleasant relaxation of the weekend. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blue mold blue moon Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language