inexcusable

形容词

1. 1

   不可原谅的、无可辩解的、不可宽恕的

   His rude behavior toward the staff was completely inexcusable.

   他对员工的无礼态度完全不可原谅。

2. 2

   说不过去的、毫无借口的

   Such a long delay in replying to customers is inexcusable.

   回复客户拖这么久实在说不过去。