What is another word for unpardonable?
Pronunciation: [ʌnpˈɑːdə͡ʊnəbə͡l] (IPA) 
Unpardonable is an adjective that describes an action or behavior that is unforgivable. There are several synonyms for the word unpardonable that can be used to express a similar idea. Some of these synonyms include inexcusable, indefensible, unforgivable, irredeemable, shameful, and heinous. Inexcusable suggests an act that cannot be explained or justified. Indefensible and unforgivable both imply a lack of mercy or forgiveness. Irredeemable connotes that an action cannot be corrected or made up for in any way, while shameful emphasizes a sense of disgrace or embarrassment. Finally, heinous suggests an act that is not only unforgivable but also particularly abhorrent or evil.
