inexcusable
🇺🇸
/ˌɪnɪkˈskjuːzəbl/
🇬🇧
/ˌɪnɪkˈskjuːzəbl/
adjective
R
so bad that it cannot be accepted or forgiven
Not apologizing for such a big mistake is inexcusable.
translation
so bad that it cannot be accepted or forgiven