/ Dictionary / Index D daymare: Meaning and Definition of Find definitions for: day•mare Pronunciation: (dā'mâr"), [key] — n. a distressing experience, similar to a bad dream, occurring while one is awake. an acute anxiety attack. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. day man daymark Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language