a.

1. 【口】有精神的
   From the spunky look on his face you could tell he must have done well in the test.

   從他有精神的表情上可以得知他一定考得不錯。

2. 容易發怒的
   Nobody knows why my father has been spunky lately.

   誰也不知道我爸爸近來為什麼容易發怒。

adj.

1. courageous and determined.
2. chiefly Austral. sexually attractive.