an odd or fanciful or capricious idea; 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

[ Syn: notion , whim , whimsy ]

the trait of acting unpredictably and more from whim or caprice than from reason or judgment; I despair at the flightiness and whimsicality of my memory

[ Syn: flightiness , arbitrariness , whimsicality , whimsy , capriciousness ]