whimsy /ˈwɪmzi/noun 5verb 1adjective 1forms 5 noun5 •A quaint and fanciful idea; a whim; playfully odd behaviour.[…] Take heed of filling their [i.e., children's] heads with VVhimzies, and unprofitable Notions; for this vvill sooner learn them to be malepert and proud, than sober and humble. — 1663 •An impulsive, illogical or capricious character. •A jigsaw puzzle piece that has been cut into a recognizable shape, as if on a whim; often the shape is representative of the theme of the image used for the puzzle."Dori, you have to solve this puzzle!" / "Sure, right away doctor. Quality construction … clean edges. Oh, a whimsy!" — 2016 •A whim (capstan or vertical drum). •The support that protects a finished piece as it is detached from a punty. verb1 •To fill with whimsies or whims; to make fantastic; to craze. adjective1 •Synonym of whimsical.Whimsiest of the fairy brood, I cannot scold you if I would — 1898 formswhimsied · whimsying · whimsies · whimsier · whimsiest