매우 나쁘거나 해로워서 도저히 용서하거나 변명할 수 없는.
So bad, offensive, or harmful that it cannot be forgiven or excused.
예문:
"The company's decision to ignore safety warnings was an unforgivable mistake."
"Betraying a close friend's trust is considered unforgivable by many."
"Such a blatant act of cruelty is simply unforgivable in a civilized society."