Without remorse.

But after thy hardness and IMPENITENT heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God; who will render to every man according to his deeds. ( Romans 2:5-6 )

Source: A King James Dictionary. (Used with permission. Copyright © Philip P. Kapusta)

Bibliography Information

"Entry for 'Impenitent'". A King James Dictionary.