/ Dictionary / Index W whimsical: Meaning and Definition of Find definitions for: whim•si•cal Pronunciation: (hwim'zi-kul, wim'-), [key] — adj. given to whimsy or fanciful notions; capricious: a pixyish, whimsical fellow. of the nature of or proceeding from whimsy, as thoughts or actions: Her writing showed whimsical notions of human behavior. erratic; unpredictable: He was too whimsical with regard to his work. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: whimsical (Thesaurus) whimsey whimsicality Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language