Definitions from Wiktionary (whimsy)

▸ noun:  A quaint and fanciful idea; a whim; playfully odd behaviour.
▸ noun:  An impulsive, illogical or capricious character.
▸ noun:  (mining) A whim (capstan or vertical drum).
▸ noun:  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.
▸ noun:  (glassblowing, countable) The support that protects a finished piece as it is detached from a punty.
▸ verb:  (transitive) To fill with whimsies or whims; to make fantastic; to craze.
▸ adjective:  Synonym of whimsical

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