766. aselgeia
Lexical Summary
aselgeia: Licentiousness, debauchery, sensuality, lewdness

Original Word: ἀσέλγεια
Part of Speech: Noun, Feminine
Transliteration: aselgeia
Pronunciation: ah-sel'-gheia
Phonetic Spelling: (as-elg'-i-a)
KJV: filthy, lasciviousness, wantonness
NASB: sensuality, licentiousness, sensual
Word Origin: [from a compound of G1 (α - Alpha) (as a negative particle) and a presumed selges (of uncertain derivation, but apparently meaning continent)]

1. licentiousness (sometimes including other vices)

Strong's Exhaustive Concordance
filth, lasciviousness, debauchery.

From a compound of a (as a negative particle) and a presumed selges (of uncertain derivation, but apparently meaning continent); licentiousness (sometimes including other vices) -- filthy, lasciviousness, wantonness.

see GREEK a

HELPS Word-studies

766 asélgeia (from aselgēs/"brutal") – properly, violent spite which rejects restraint and indulges in lawless insolence (wanton caprice).

[This is likewise the meaning of 766 /asélgeia in classical Greek (WS, 110).]

NAS Exhaustive Concordance
Word Origin
of uncertain origin
Definition
licentiousness, wantonness
NASB Translation
licentiousness (1), sensual (1), sensuality (8).

Thayer's Greek Lexicon
STRONGS NT 766: ἀσέλγεια

ἀσέλγεια, ἀσελγειας, , the conduct and character of one who is ἀσελγής (a word which some suppose to be compounded of the alpha privative and Σελγη, the name of a city in Pisidia whose citizens excelled in strictness of morals (so Etym. Magn. 152, 38; per contra cf. Suidas 603 d.): others of intens. and σαλάγειν, to disturb, raise a din; others, and now the majority, of alpha privative and σέλγω equivalent to θέλγω, not affecting pleasantly, exciting disgust), "unbridled lust, excess, licentiousness, lasciviousness, wantonness, outrageousness, shamelessness, insolence": Mark 7:22 (where it is uncertain what particular vice is spoken of); of gluttony and venery, Jude 1:4; plural, 1 Peter 4:3; 2 Peter 2:2 (for Rec. ἀπωλείαις), 18; of carnality, lasciviousness: 2 Corinthians 12:21; Galatians 5:19; Ephesians 4:19; 2 Peter 2:7; plural "wanton (acts or) manners, as filthy words, indecent bodily movements, unchaste handling of males and females, etc." (Fritzsche), Romans 13:13. (In Biblical Greek besides only in Wis. 14:26 and 3Macc. 2:26. Among Greek writings used by Plato, Isocrates and following; at length by Plutarch (Lucull. 38) and Lucian (dial. meretr. 6) of the wantonness of women (Lob. ad Phryn., p. 184 n.).) Cf. Tittmann i., p. 151f; (especially Trench, § xvi.).

Topical Lexicon
Concept Overview

Strong’s Greek 766, ἀσέλγεια, describes unchecked sensuality that flaunts moral restraint. Scripture presents it as an open, shameless indulgence in bodily appetites that rebels against God’s created order and despises neighbor. Whereas other words for sexual sin may emphasize the act, ἀσέλγεια highlights the insolent attitude that celebrates vice and entices others to join.

Occurrences in the New Testament

1. Mark 7:22 lists “debauchery” among the evils that flow from the human heart, proving that ἀσέλγεια is an inward corruption before it is an outward act.
2. Romans 13:13 warns believers to “behave decently, as in the daytime… not in sexual immorality and debauchery,” contrasting the darkness of ἀσέλγεια with the light of sanctified living.
3. 2 Corinthians 12:21 grieves over those who “have not repented of the impurity, sexual immorality, and debauchery they have practiced,” showing that persistent ἀσέλγεια imperils fellowship with the apostolic church.
4. Galatians 5:19 positions it among “the acts of the flesh,” opposite the fruit of the Spirit (Galatians 5:22–23), underscoring incompatibility with Spirit-led life.
5. Ephesians 4:19 depicts Gentiles who “have given themselves over to sensuality,” exposing a progression from hard hearts to shameless excess.
6. 1 Peter 4:3 reminds converts that past time spent “living in debauchery, lust, drunkenness, orgies, carousing, and detestable idolatry” is more than enough.

7–9. 2 Peter (2:2, 7, 18) thrice links ἀσέλγεια with false teachers whose libertine example endangers others: Lot was “distressed by the depraved conduct of the lawless” (2 Peter 2:7).
10. Jude 1:4 condemns intruders who “turn the grace of our God into license for immorality,” revealing ἀσέλγεια’s toxic misuse of grace.

Old Testament and Jewish Background

Though the exact term is absent in the Septuagint, its spirit appears in descriptions of Sodom (Genesis 19), the idolatrous revelry of Exodus 32, and warnings against “stiff-necked” insolence. Intertestamental literature (e.g., Wisdom of Solomon 14:25-26) similarly couples lawlessness and shameless lust, preparing first-century readers to recognize ἀσέλγεια as societal decay.

Theological Significance

1. Rebellion against Creator: By refusing moral constraints, ἀσέλγεια denies God’s right to order human sexuality.
2. Contagious evil: Lists in Peter and Jude emphasize its propagating effect; it entices and normalizes corruption in a community.
3. Antithesis to holiness: Believers are called to be a “holy priesthood,” and ἀσέλγεια stands opposed to that calling.
4. Indicator of judgment: Both Lot’s generation and apostate teachers illustrate that persistent ἀσέλγεια invites divine intervention.

Pastoral and Discipleship Implications

• Call to repentance: Paul mourns unrepentant ἀσέλγεια (2 Corinthians 12:21), guiding shepherds to compassionate yet firm confrontation.
• Discipleship of desires: Transformation begins with the heart (Mark 7:22); renewed minds (Romans 12:2) restrain disordered appetites.
• Guarding the flock: Elders must recognize doctrinal error tied to moral laxity; false teachers often cloak ἀσέλγεια in distorted grace.
• Accountability and light: Romans 13:13 urges transparent living “as in the daytime,” recommending accountable community practices.

Historical Witness

Early church fathers such as Clement of Alexandria and Tertullian cite ἀσέλγεια when rebuking pagan entertainments and heretical sects. Their warnings echo apostolic concerns: doctrine and ethics cannot be severed.

Contemporary Relevance

Modern culture often celebrates what Scripture names ἀσέλγεια: public sexualization, pornography, and ideologies that reject divine design. The New Testament antidote remains: crucify the flesh with its passions (Galatians 5:24), walk by the Spirit (Galatians 5:16), and proclaim grace that trains believers “to renounce ungodliness and worldly passions” (Titus 2:12).

Forms and Transliterations
ασελγεια ασελγεία ασέλγεια ἀσελγείᾳ ἀσέλγεια ασελγειαις ασελγείαις ἀσελγείαις ασελγειαν ασέλγειαν ἀσέλγειαν aselgeia asélgeia aselgeíāi aselgeiais aselgeíais aselgeian asélgeian
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Englishman's Concordance
Mark 7:22 N-NFS
GRK: πονηρίαι δόλος ἀσέλγεια ὀφθαλμὸς πονηρός
NAS: [as well] [as] deceit, sensuality, envy,
KJV: deceit, lasciviousness, an evil
INT: wickednesses deceit sensuality envy evil

Romans 13:13 N-DFP
GRK: κοίταις καὶ ἀσελγείαις μὴ ἔριδι
NAS: not in sexual promiscuity and sensuality, not in strife
KJV: and wantonness, not
INT: in sexual immorality and sensuality not in strife

2 Corinthians 12:21 N-DFS
GRK: πορνείᾳ καὶ ἀσελγείᾳ ᾗ ἔπραξαν
NAS: immorality and sensuality which
KJV: and lasciviousness which
INT: sexual immorality and sensuality which they practiced

Galatians 5:19 N-NFS
GRK: πορνεία ἀκαθαρσία ἀσέλγεια
NAS: are: immorality, impurity, sensuality,
KJV: uncleanness, lasciviousness,
INT: sexual immorality impurity sensuality

Ephesians 4:19 N-DFS
GRK: παρέδωκαν τῇ ἀσελγείᾳ εἰς ἐργασίαν
NAS: over to sensuality for the practice
KJV: over unto lasciviousness, to
INT: gave up to sensuality for [the] working

1 Peter 4:3 N-DFP
GRK: πεπορευμένους ἐν ἀσελγείαις ἐπιθυμίαις οἰνοφλυγίαις
NAS: having pursued a course of sensuality, lusts,
KJV: in lasciviousness, lusts,
INT: having walked in sensuality lusts wine-drinking

2 Peter 2:2 N-DFP
GRK: αὐτῶν ταῖς ἀσελγείαις δι' οὓς
NAS: will follow their sensuality, and because
INT: their sensuality through whom

2 Peter 2:7 N-DFS
GRK: ἀθέσμων ἐν ἀσελγείᾳ ἀναστροφῆς ἐρρύσατο
NAS: oppressed by the sensual conduct
KJV: with the filthy conversation
INT: lawless in sensuality conduct he delivered

2 Peter 2:18 N-DFP
GRK: ἐπιθυμίαις σαρκὸς ἀσελγείαις τοὺς ὀλίγως
NAS: desires, by sensuality, those
KJV: of the flesh, [through much] wantonness, those that were clean
INT: [the] desires of [the] flesh to sensuality those who indeed

Jude 1:4 N-AFS
GRK: μετατιθέντες εἰς ἀσέλγειαν καὶ τὸν
NAS: of our God into licentiousness and deny
KJV: God into lasciviousness, and denying
INT: changing into sensuality and the

Strong's Greek 766
10 Occurrences


ἀσέλγεια — 5 Occ.
ἀσελγείαις — 4 Occ.
ἀσέλγειαν — 1 Occ.

765
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