/ Dictionary / Index M Midsummer Eve: Meaning and Definition of Find definitions for: Mid'summer Eve' Pronunciation: [key] the evening preceding Midsummer Day: formerly believed to be a time when witches and other supernatural beings caused widespread mischief. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Midsummer Day midsummer madness Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language