Synonyms of whim in English:

whim


See definition of whim

noun

1‘she bought it on a whim’

SYNONYMS

impulse, urge, notion, fancy, whimsy, foible, idea, caprice, conceit, vagary, kink, megrim, crotchet, craze, fad, passion, inclination, bent

archaic freak, maggot, humour, whim-wham

2‘success depends upon something as arbitrary as human whim’

SYNONYMS

capriciousness, whimsy, caprice, volatility, fickleness, idiosyncrasy, eccentricity, unpredictability