G4645 σκληρύνω σκληρύνω (sklērýnō), Strong’s G4645: to indurate, i.e. (figuratively) render stubborn KJV: harden. Occurs 31 times. Source: https://besorah.bible/word/G4645 — Besorah, the whole Bible in Hebrew, Greek and English. Texts and licences: https://besorah.bible/about/credits.html sklērýnō — to indurate, i.e. (figuratively) render stubborn KJV: harden Derived from σκληρός sklērós (https://besorah.bible/word/G4642) (dry, i.e. hard or tough) Occurs 31 times. Where it occurs - Acts 19:9 (https://besorah.bible/besorah/acts/19?v=9) — But when some were hardened and disobedient, speaking evil of the Way before the multitude, he departed from them and… - Romans 9:18 (https://besorah.bible/besorah/romans/9?v=18) — So then, he has mercy on whom he desires, and he hardens whom he desires. - Hebrews 3:8 (https://besorah.bible/besorah/hebrews/3?v=8) — don’t harden your hearts as in the rebellion, in the day of the trial in the wilderness, - Hebrews 3:13 (https://besorah.bible/besorah/hebrews/3?v=13) — but exhort one another day by day, so long as it is called “today”, lest any one of you be hardened by the… - Hebrews 3:15 (https://besorah.bible/besorah/hebrews/3?v=15) — while it is said, “Today if you will hear his voice, don’t harden your hearts, as in the rebellion.” - Hebrews 4:7 (https://besorah.bible/besorah/hebrews/4?v=7) — he again defines a certain day, “today”, saying through David so long a time afterward (just as has been said), “Today… - Sirach 30:12 (https://besorah.bible/tanakh-gr/sirach/30?v=12) —