caprice /ka'prfcs; ka'pris/ n 1 (often sudden) change of mind or behaviour that has no obvious cause; tendency to change suddenly without apparent cause. 反覆無常; 多變 (無明顯理由而突然改變心意或行為); 善變。 2 piece of music in a lively, irregular style. (音樂) 奇想曲; 隨想曲; 異想曲。