2357. thréskos of unc. or.
Lexical Summary
thréskos of unc. or.: Religious, devout

Original Word: θρῆσκος
Part of Speech: Adjective
Transliteration: thréskos of unc. or.
Pronunciation: THRAYS-kos
Phonetic Spelling: (thrace'-kos)
KJV: religious
NASB: religious
Word Origin: [probably from the base of G2360 (θροέω - frightened)]

1. ceremonious in worship (as demonstrative)
2. religious

Strong's Exhaustive Concordance
religious.

Probably from the base of throeo; ceremonious in worship (as demonstrative), i.e. Pious -- religious.

see GREEK throeo

NAS Exhaustive Concordance
Word Origin
religious
NASB Translation
religious (1).

Thayer's Greek Lexicon
STRONGS NT 2357: θρησκός

θρησκός (T WH θρησκός, cf. (Tdf. Proleg., p. 101); Winers Grammar, § 6, 1 e.; Lipsius, Grammat. Untersuch., p. 28), θρησκου, , fearing or worshipping God; religious (apparently from τρέω to tremble; hence, properly, trembling, fearful; cf. J. G. Müller in Theol. Studien und Kritiken for 1835, p. 121; on the different conjectures of others, see Passow, under the word (Curtius, § 316 connects with θρα; hence, 'to adhere to,' 'be a votary of'; cf. Vanicek, p. 395)): James 1:26. (Cf. Trench, § xlviii.)

Topical Lexicon
Linguistic Background

Thrēskos (Strong’s 2357) was used in Hellenistic Greek for a person devoted to cultic practice, emphasizing outward religious observance—rituals, ceremonies, and visible acts of worship. Classical writers applied it to followers who scrupulously fulfilled the requirements of their gods, while Hellenistic Jews employed it for those meticulous about temple or synagogue duties. The cognate noun thrēskeia (Strong’s 2356) speaks of “religion” in the sense of worship activities; thrēskos, therefore, characterizes the worshiper whose life is marked by such activities.

Biblical Usage

The only New Testament appearance is James 1:26, where the apostle employs the adjective to expose a disconnect between profession and practice: “If anyone among you thinks he is religious and yet does not bridle his tongue, he deceives his heart and his religion is worthless” (James 1:26). James deliberately selects a term that his Jewish-Christian readers would associate with meticulous observance, then measures that observance by an unexpected standard—the disciplined tongue—thereby relocating the center of authentic religion from ritual to transformed character.

Context in the Epistle of James

James 1:26–27 forms a rhetorical couplet. Verse 26 describes an empty thrēskeia when words are uncontrolled; verse 27 redefines “pure and undefiled religion” (thrēskeia) as compassionate action (“to visit orphans and widows in their distress”) and moral purity (“to keep oneself unstained by the world”). Placing thrēskos in this setting underscores three emphases:

1. Self-perception can be deceiving (“thinks he is religious”).
2. Speech is a primary test of spiritual authenticity (cf. James 3:2-12).
3. True worship integrates mercy and holiness (James 2:12-17).

Old Testament and Intertestamental Background

Hebrew Scripture never uses thrēskos, yet priests, Levites, Nazirites, and psalmists illustrate the principle that ritual without righteousness is unacceptable (Isaiah 1:11-17; Psalm 51:16-17; Micah 6:6-8). Post-exilic Judaism developed detailed halakhic traditions to safeguard worship, a concern visible in the Pharisaic movement (Matthew 23:23). Within that milieu, thrēskos would naturally describe a devout synagogue attendee or pilgrim—precisely the kind of person James addresses.

Contrast with Related New Testament Terms

• Eusebeia (“godliness,” 1 Timothy 4:8) centers on reverence toward God expressed in life.
• Latreuō (“to serve, worship,” Romans 12:1) stresses priestly service offered by the whole person.
• Sebomai (“to reverence,” Acts 18:7) focuses on inward awe.

Thrēskos differs by highlighting the visible, structured side of devotion. James shows that even the most punctilious thrēskos can be hollow without inner transformation.

Historical Significance in the Early Church

Early believers gathered in synagogues (Acts 15:21; James 2:2, “assembly,” Greek synagōgē) where public reading, prayer, and almsgiving were routine. As the gospel spread, Jewish and Gentile Christians faced tension over ceremonial matters (Acts 15; Galatians 2). James, a pillar in Jerusalem, addresses a dispersed audience steeped in synagogue culture. By redefining “religious,” he safeguards unity: external forms are valuable only when they channel Christ-like love and moral integrity.

Theological Themes

1. Integrity: Worship must align confession, conduct, and compassion.
2. Accountability of speech: The tongue reveals the heart (Matthew 12:34; Proverbs 18:21).
3. Worthlessness versus worth: Human religion can be “worthless” (mataios) if severed from obedience powered by the implanted word (James 1:21).

Practical and Pastoral Applications

• Self-examination: Congregational involvement, liturgy, and ministry roles do not guarantee spiritual health. Followers of Christ continually test their devotion by scriptural standards.
• Holistic discipleship: Disciples cultivate disciplined speech alongside acts of mercy, fulfilling the royal law of love (James 2:8).
• Ministry evaluation: Churches assess programs not merely by participation numbers but by outcomes in sanctified living and care for the vulnerable.

Reflections for Worship and Discipleship

Thrēskos calls believers to cherish corporate worship and sacramental life while refusing to separate these from ethical obedience. Pure religion thrives where tongues are bridled, hearts are sincere, and hands reach out to the afflicted. Such integrated faith embodies the Lord’s desire that His people “worship in spirit and truth” (John 4:24) and so radiate His glory in the world.

Forms and Transliterations
θρησκος θρησκὸς θρήσκος threskos threskòs thrēskos thrēskòs
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Englishman's Concordance
James 1:26 Adj-NMS
GRK: τις δοκεῖ θρησκὸς εἶναι μὴ
NAS: thinks himself to be religious, and yet does not bridle
KJV: seem to be religious, and bridleth not
INT: anyone seems religious to be not

Strong's Greek 2357
1 Occurrence


θρησκὸς — 1 Occ.

2356
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