A quaint and fanciful idea; a whim; playfully odd behaviour. / An impulsive, illogical or capricious character. / (mining) A whim (capstan or vertical drum).

(transitive) To fill with whimsies or whims; to make fantastic; to craze.

present participle of whimsy

plural of whimsy

simple past tense and past participle of whimsy

whimsicality