Strong's Concordance G4643

Original Word: σκληρότης
Transliteration: sklērótēs
Phonetic Spelling: sklay-rot'-ace
[σκληρότης] from G4642; callousness, i.e. (figuratively) stubbornness

Usages throughout the bible

Romans 2:5 - But after thy hardness G4643 and impenitent heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God;