Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun whim

2 senses of whim

Sense 1
caprice, impulse, whim -- (a sudden desire; "he bought it on an impulse")
       => desire -- (the feeling that accompanies an unsatisfied state)

Sense 2
notion, whim, whimsy, whimsey -- (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")
       => idea, thought -- (the content of cognition; the main thing you are thinking about; "it was not a good idea"; "the thought never entered my mind")