Impossible to excuse, pardon, or justify:
Impossible to expiate or atone for:
Contrary to conscience, morality, or law:
Impossible to excuse, pardon, or justify
Find another word for unforgivable. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for unforgivable, like: unjustifiable, indefensible, inexcusable, unpardonable, inexpiable, wrong, irremissible, forgiveness, unforgiveable, shameful and odious.