|1.||[ noun ] an odd or fanciful or capricious idea|
|Synonyms:||notion whimsey whim|
"the theatrical notion of disguise is associated with disaster in his stories" "he had a whimsy about flying to the moon" "whimsy can be humorous to someone with time to enjoy it"
|2.||[ noun ] the trait of acting unpredictably and more from whim or caprice than from reason or judgment|
|Synonyms:||arbitrariness whimsicality whimsey capriciousness flightiness|
"I despair at the flightiness and whimsicality of my memory"