inexcusably
🇺🇸
/ˌɪnɪkˈskjuːzəbli/
🇬🇧
/ˌɪnɪkˈskjuːzəbli/
in a way that is very wrong and cannot be forgiven
It was inexcusably rude to arrive late without calling.
전화도 없이 늦게 오는 것은 변명의 여지가 없는 무례함이었습니다.