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G4644

σκληροτράχηλος

sklērotráchēlos /sklay-rot-rakh'-ay-los/ Ask about this word
from σκληρός and τράχηλος
hardnaped, i.e. (figuratively) obstinate
stiffnecked.

Word Study

In depth

A plain-language study of sklērotráchēlos — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word sklērotráchēlos, represented by G4644, is a figurative term for being obstinate or stiffnecked. It is derived from terms meaning "hard" and "nape" of the neck. This specific word appears only 1 time in 1 unique verse in the Bible, highlighting its specific and potent use.

Biblical Occurrences & Contextual Analysis

The sole use of G4644 is found in Acts 7:51. In this powerful address, Stephen rebukes his audience, calling them stiffnecked and uncircumcised in heart and ears. He accuses them of a continual pattern of resistance, stating they always G104 resist G496 the Holy G40 Ghost G4151, just as their fathers G3962 did. The term is used to describe a deep-seated and willful opposition to God.

Related Words & Concepts

Several related words from its single context clarify the meaning of being stiffnecked:

  • G564 aperítmētos (uncircumcised): This word is used alongside G4644 to describe a figurative state of being "uncircumcised in heart and ears," pointing to a spiritual condition rather than a physical one Acts 7:51.
  • G496 antipíptō (to oppose): This term defines the action of the stiffnecked. They actively resist or oppose the Holy Ghost, demonstrating that their obstinacy is not passive Acts 7:51.
  • G2588 kardía (heart): The rebellion is located in the heart, which figuratively represents "the thoughts or feelings." This highlights the internal nature of the obstinacy Acts 7:51.
  • G3775 oûs (ear): Paired with the heart, the "uncircumcised" ears signify an unwillingness to hear or receive God's message Acts 7:51.

Theological Significance

The theological weight of G4644 is significant, describing a profound spiritual failure.

  • A Condition of the Heart and Ears: Being stiffnecked is equated with being uncircumcised G564 in heart G2588 and ears G3775, indicating a willful refusal to understand and receive God's truth Acts 7:51.
  • Active Resistance to the Spirit: The term is not one of simple stubbornness, but of actively and always G104 resisting G496 the work of the Holy G40 Ghost G4151.
  • A Generational Pattern of Rebellion: The charge of being stiffnecked connects the present generation's unbelief directly to the failures of their fathers G3962, showing it as a historical and repeated sin Acts 7:51.

Summary

In summary, G4644 provides a sharp and specific condemnation. It describes more than mere stubbornness; it defines a state of willful, spiritual obstinacy rooted in an uncircumcised heart. This condition leads to actively resisting the Holy Ghost and perpetuating a generational pattern of rebellion against God, as seen in its sole biblical use in Acts 7:51.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as an adjective across 1 occurrence, inflected in 1 grammatical form — each row is one form, and the bar is how often it is that form.

  • Vocative Plural Masculine
Vocative
Direct address — naming who is spoken to.
Plural
More than one.
Masculine
Masculine grammatical gender.

Related Words

Related

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

1 verse, all in Acts — and none of the other 26 New Testament books.

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.