a.

1. 不能相信的，不可信的[Z]
   The plot of the book is incredible.

   這本書的情節叫人難以相信。

2. 【口】難以置信的；驚人的；極妙的
   For such a tiny woman she had an incredible appetite.

   對這麼一個小個子女人來說，她的胃口大得令人難以置信。

adj.

1. impossible to believe.
2. difficult to believe; extraordinary.
   ▸informal amazingly good.