Incapable of being atoned for or redeemed

प्रायश्चित न किया जा सकने योग्य

English Usage: His actions were deemed unatonable, leaving him with a heavy burden of guilt.

Hindi Usage: उसके कर्मों को प्रायश्चित न किया जा सकने योग्य माना गया, जिससे उसे एक भारी शर्म का बोझ मिला।