Synonyms of whim

Noun

1. caprice, impulse, whim, desire

usage: a sudden desire; "he bought it on an impulse"

2. notion, whim, whimsy, whimsey, idea, thought

usage: 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"

Definition and meaning of whim (Dictionary)