# σκληρύνω (sklērunō)

Strong’s G4645. 6 New Testament occurrences.

I harden, make hard, make stubborn.

Lexicon: Dodson, public domain.

Canonical: https://apologetics.wiki/bible/greek/skleruno-g4645

## Occurrences

- [Acts 19:9](https://apologetics.wiki/bible/acts/19/9) — But when divers were hardened, and believed not, but spake evil of that way before the multitude, he departed from them, and separated the disciples, disputing…
- [Romans 9:18](https://apologetics.wiki/bible/romans/9/18) — Therefore hath he mercy on whom he will have mercy, and whom he will he hardeneth.
- [Hebrews 3:8](https://apologetics.wiki/bible/hebrews/3/8) — Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:
- [Hebrews 3:13](https://apologetics.wiki/bible/hebrews/3/13) — But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.
- [Hebrews 3:15](https://apologetics.wiki/bible/hebrews/3/15) — While it is said, To day if ye will hear his voice, harden not your hearts, as in the provocation.
- [Hebrews 4:7](https://apologetics.wiki/bible/hebrews/4/7) — Again, he limiteth a certain day, saying in David, To day, after so long a time; as it is said, To day if ye will hear his voice, harden not your hearts.