mindmap root((任性)) caprice stresses lack of apparent motivation and suggests willfulness: by sheer ~ she quit her job. freak implies an impulsive change of mind made apparently without cause: struck by a ~ notion. whim implies a fantastic, humorous turn of mind or inclination: an odd antique that was bought on a ~. vagary stresses the erratic, irresponsible, or extravagant character of the notion or desire: recently he had been prone to strange ~ies of taste. crotchet implies perversely eccentric opinion or preference especially on trivial matters: a serious scientist equally known for his bizarre ~s.