◄ 4644. sklérotrachélos ►
Lexical Summary
sklérotrachélos: Stiff-necked

Original Word: σκληροτράχηλος
Part of Speech: Adjective
Transliteration: sklérotrachélos
Pronunciation: sklair-oh-TRAH-khay-los
Phonetic Spelling: (sklay-rot-rakh'-ay-los)
KJV: stiffnecked
NASB: stiff-necked
Word Origin: [from G4642 (σκληρός - hard) and G5137 (τράχηλος - neck)]

1. hardnaped
2. (figuratively) obstinate

Strong's Exhaustive Concordance
stiff-necked.

From skleros and trachelos; hardnaped, i.e. (figuratively) obstinate -- stiffnecked.

see GREEK skleros

see GREEK trachelos

NAS Exhaustive Concordance
Word Origin
from skléros and trachélos
Definition
stiff-necked
NASB Translation
stiff-necked (1).

Thayer's Greek Lexicon
STRONGS NT 4644: σκληροτράχηλος

σκληροτράχηλος, σκληροτράχηλόν (σκληρός and τράχηλος), properly, stiff-necked ; tropically, stubborn, headstrong, obstinate: Acts 7:51; the Sept. for עֹרֶף קְשֵׁה, Exodus 33:3, 5; Exodus 34:9; (etc.); Baruch 2:30; Sir. 16:11; (cf. σκληροτραχηλια, Test xii. Patr., test. Sym. § 6). Not found in secular authors; (cf. Winer's Grammar, 26, 99 (94)).

Topical Lexicon
Term Overview

Strong’s Greek 4644 denotes the condition of being “stiff-necked,” an image drawn from an ox or donkey that refuses the yoke by stiffening its neck. The word pictures a settled resistance toward God’s leading and correction. Although it appears only once in the Greek New Testament, the concept saturates the biblical narrative and functions as a sobering diagnosis of covenant rebellion.

Old Testament Background

The charge “stiff-necked” first falls upon Israel in the wilderness. “I have seen this people, and behold, it is a stiff-necked people” (Exodus 32:9). Moses repeats the verdict in Deuteronomy 9:6, tracing it through the nation’s history. Prophets echo the accusation—Jeremiah 7:26; 17:23; 19:15; 2 Kings 17:14—each time linking neck-stiffness with refusal to hear God’s voice and obey His law. The imagery comes from agrarian life: a beast that will not bend to the yoke cannot be guided. Thus “stiff-necked” becomes shorthand for a will set against God.

New Testament Usage (Acts 7:51)

Stephen, standing before the Sanhedrin, indicts his hearers: “You stiff-necked people with uncircumcised hearts and ears! You always resist the Holy Spirit—just as your fathers did” (Acts 7:51). By combining the historic epithet with present resistance to the risen Messiah, Stephen draws a straight line from Sinai to Calvary. His single use of σκληροτράχηλοι shows that the same obstinacy that spurned the prophets now rejects the Son. The immediate result is further hardening; enraged, the council stones Stephen, vividly illustrating the very sin he exposed.

Theological Significance

1. Rebellion against divine authority: “Stiff-necked” summarizes humanity’s innate posture toward God apart from grace (Romans 8:7).
2. Hardening of heart: Neck stiffness parallels heart hardness; both signal cumulative resistance that invites judicial hardening (Proverbs 29:1; Romans 11:7-10).
3. Covenant violation: In Scripture, God’s covenant stipulates obedience; stiff-neckedness breaches that bond, provoking judgment yet magnifying the need for a new heart (Ezekiel 36:26).
4. Contrast with submission: Jesus invites the weary to take His yoke (Matthew 11:29). Willing submission replaces the stiff neck with meekness, aligning the believer under Christ’s lordship.

Practical Ministry Implications

• Preaching: The term warns congregations against habitual resistance to Scripture. Rebellion is not merely outward but lodges in the heart and ears.
• Discipleship: Leaders must help believers identify subtle forms of neck-stiffness—prayerlessness, selective obedience—and model yieldedness.
• Pastoral care: Persistent obstinacy calls for loving confrontation (Galatians 6:1), remembering Stephen’s courage and compassion even toward persecutors.
• Evangelism: Awareness of innate stiff-neckedness underlines the necessity of the Spirit’s regenerative work; persuasion alone cannot bend the neck.

Related Concepts

Hard-heartedness (σκληροκαρδία, Mark 3:5), uncircumcised heart (Acts 7:51), resisting the Holy Spirit (Isaiah 63:10), rebellious house (Ezekiel 2:5), and pride (Proverbs 16:18) all intersect with the stiff-necked condition.

Illustrative Biblical References

Exodus 32:9; Exodus 33:3; Deuteronomy 9:6-13; 2 Chronicles 30:8; 2 Kings 17:14; Psalm 75:5; Isaiah 48:4; Jeremiah 7:26; Jeremiah 17:23; Jeremiah 19:15; Acts 7:51; Romans 11:7-10.

Summary

Strong’s 4644 crystallizes the age-old human inclination to resist God’s yoke. Scripture exposes this sin, warns of its consequences, and points to Christ, whose gentle yoke alone can transform a stiff neck into ready obedience.

Forms and Transliterations
Σκληροτραχηλοι Σκληροτράχηλοι σκληροτράχηλόν σκληροτράχηλος σκληροτράχηλός σκληροτραχήλου Sklerotracheloi Sklerotrácheloi Sklērotrachēloi Sklērotráchēloi
Links
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Englishman's Concordance
Acts 7:51 Adj-VMP
GRK: Σκληροτράχηλοι καὶ ἀπερίτμητοι
NAS: You men who are stiff-necked and uncircumcised
KJV: Ye stiffnecked and uncircumcised
INT: O stiff-necked and uncircumcised

Strong's Greek 4644
1 Occurrence


Σκληροτράχηλοι — 1 Occ.

4643
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