If you say that something is ~, you mean that it is very bad, cruel, or socially unacceptable.
These people are animals and what they did was ~...
= inexcusable
ADJ
If you say that something is ~, you mean that it is very bad, cruel, or socially unacceptable.
These people are animals and what they did was ~...
= inexcusable
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012