inexcusably
🇺🇸
/ˌɪnɪkˈskjuːzəbli/
🇬🇧
/ˌɪnɪkˈskjuːzəbli/
adverb
R
in a way that is very wrong and cannot be forgiven
It was inexcusably rude to arrive late without calling.
translation
in a way that is very wrong and cannot be forgiven