/ Dictionary / Index M moonstruck: Meaning and Definition of Find definitions for: moon•struck Pronunciation: (mn'struk"), [key] — adj. mentally deranged, supposedly by the influence of the moon; crazed. dreamily romantic or bemused. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: moonstruck (Thesaurus) moonstone moonwalk Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language