n.

1. 多變；反覆無常；怪念頭[C][U]
   Her decision to wear only black clothes was pure caprice.

   她決定只穿黑衣服完全是忽發奇想。

   the caprices of the weather

   天氣的多變

2. 多變的傾向，任性[U]
3. 【音】狂想曲，隨想曲[C]

n.

1. a sudden and unaccountable change of mood or behaviour.
2. Music  another term for capriccio.