GreekG4645Verb

σκληρύνω

sklērunō

6Occurrences
G4645Strong's #
VerbPart of Speech

Definition

Quick Definition(Strong's Concordance)

to indurate, i.e. (figuratively) render stubborn

from G4642 (σκληρός);

Full Lexicon Entry(Abbott-Smith)
to harden. Metaphorical, to harden, make stubborn: with accusative of person(s); T. *καρδίας *. Pass., to become hardened.
LXX: chiefly for קָשָׁה hi., also for חָזַק

Go beyond grammar.

See how this word works across context, usage, and meaning with AI-assisted word study built for serious Bible study.

Context-aware insightsOriginal language depthFast, practical workflow

Grammar & Morphology

Part of Speech

Verb

Morphology Code

G:V

Full Description

Greek Verb

Occurrences

σκληρύνω appears 6 times in the New Testament.

Distribution by Book

Hebrews
4
Acts
1
Romans
1

Key Passages

Acts 19:9BSB

But when some of them stubbornly refused to believe and publicly maligned the Way, Paul took his disciples and left the synagogue to conduct daily discussions in the lecture hall of Tyrannus.

Hebrews 3:8BSB

do not harden your hearts,as you did in the rebellion,in the day of testing in the wilderness,

Hebrews 3:13BSB

But exhort one another daily, as long as it is called today, so that none of you may be hardened by sin’s deceitfulness.

Hebrews 3:15BSB

As it has been said:“Today, if you hear His voice,do not harden your hearts,as you did in the rebellion.”

Hebrews 4:7BSB

God again designated a certain day as “Today,” when a long time later He spoke through David as was just stated: “Today, if you hear His voice, do not harden your hearts.”

Lexicon data from STEPBible.org (Tyndale House, Cambridge) under CC BY 4.0 license.