Strong’s definition
callousness, i.e. (figuratively) stubbornness
KJV gloss list in the source
hardness
Derivation recorded by Strong
from G4642 (σκληρός);
Explore the English glosses
These links search English words in the KJV. They are not a claim that every result translates this lemma.
Contextual morphology & manuscript evidence
Every indexed source occurrence of G4643 →
The passage laboratory provides separately attributed Hebrew and Greek morphology and occurrence lists. Source-text boundaries and alternatives are displayed explicitly. The entry must not be used as an automatic verdict against the KJV.