Strong's Concordance G279

Original Word: ἀμετανόητος
Transliteration: ametanóētos
Phonetic Spelling: am-et-an-o'-ay-tos
[ἀμετανόητος] from G1 (as a negative particle) and a presumed derivative of G3340; unrepentant

Usages throughout the bible

Romans 2:5 - But after thy hardness and impenitent G279 heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God;