Pronunciation: (hwim'zi-kul, wim'-), [key]
1. given to whimsy or fanciful notions; capricious: a pixyish, whimsical fellow.
2. of the nature of or proceeding from whimsy, as thoughts or actions: Her writing showed whimsical notions of human behavior.
3. erratic; unpredictable: He was too whimsical with regard to his work.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.