inexcusable

1. ADJ If you say that something is inexcusable, you are emphasizing that it cannot be justified or tolerated because it is extremely bad. 没法辩解的; 不可原谅的[强调]

He said the killing of innocent people was inexcusable. 他说滥杀无辜是不可原谅的。

2. inexcusablyADV

She had been inexcusably careless. 她曾粗心大意得不可原谅。