Strong's Greek #279
ἀμετανόητον

Englishman's Concordance (References)

ἀμετανόητον ametanoēton — 1 Occurrence

Romans 2:5 - Adj-AFS
GRK:σου καὶ ἀμετανόητον καρδίαν θησαυρίζεις
NAS: of your stubbornness and unrepentant heart
KJV: and impenitent heart
INT: of you and unrepentant heart treasure up