. . "plural whimsies also whimseysFull Definition of WHIMSY1 : whim, caprice 2 : the quality or state of being whimsical or fanciful 3 : a fanciful or fantastic device, object, or creation especially in writing or art See whimsy defined for English-language learners See whimsy defined for kids They have strong associations now, but these 10 words used" . . .