◄ 3394. miasmos ►
Lexical Summary
miasmos: corrupt

Original Word: μιασμός
Part of Speech: Noun, Masculine
Transliteration: miasmos
Pronunciation: mee-as-MOS
Phonetic Spelling: (mee-as-mos')
KJV: uncleanness
NASB: corrupt
Word Origin: [from G3392 (μιαίνω - defiled)]

1. (morally) contamination (properly, the act)

Strong's Exhaustive Concordance
uncleanness, contamination

From miaino; (morally) contamination (properly, the act) -- uncleanness.

see GREEK miaino

NAS Exhaustive Concordance
Word Origin
from miainó
Definition
the act of defiling
NASB Translation
corrupt (1).

Thayer's Greek Lexicon
STRONGS NT 3394: μιασμός

μιασμός, μιασμοῦ, ὁ (μιαίνω), the act of defiling, defilement, pollution: ἐπιθυμία μιασμοῦ, defiling lust (Winer's Grammar, § 34, 3 b.), 2 Peter 2:10. (Wis. 14:26; 1 Macc. 4:43; Plutarch, mor., p. 393 c.; Test xii. Patr. (test. Lev. 17; test. Benj. 8; Graecus Venetus (passim); Hermas, Past. sim. 5, 7, 2 [ET]).)

Topical Lexicon
Overview

μίασμος portrays moral pollution—an inner stain that inevitably issues in outward rebellion against God. Though rare in the New Testament, its single use in 2 Peter displays the full weight of the biblical doctrine of defilement and its consequences.

Old Testament Roots of Defilement

• Ceremonial uncleanness: Leviticus 11; Leviticus 15; Numbers 19.
• Moral uncleanness: Isaiah 64:6; Ezekiel 20:7; Hosea 5:3.

These passages show that ritual impurity was always a signpost pointing to deeper spiritual realities: sin alienates, stains, and requires cleansing.

Occurrence in 2 Peter

“Such punishment is especially reserved for those who follow the corrupt desire of the flesh and despise authority” (2 Peter 2:10).

μίασμος is rendered “corrupt desire,” exposing how false teachers are driven by appetites that are themselves polluted. The context (2 Peter 2:1-22) links defilement with:

1. Sexual immorality (2 Peter 2:14).
2. Greed (2 Peter 2:3).
3. Blasphemy against heavenly beings (2 Peter 2:10-11).

The word anchors Peter’s warning that doctrinal error and moral pollution are inseparable.

Historical and Cultural Background

In Hellenistic usage μίασμος signified contamination from sacrilege or blood-guilt. Jewish literature of the Second Temple era expanded it to idolatry and Gentile customs (Wisdom of Solomon 14:8-10). Peter writes against that backdrop, asserting that the church must remain separate from such corruption.

Theological Significance

• Holiness of God: He is “of purer eyes than to behold evil” (Habakkuk 1:13).
• Depth of Sin: Defilement resides in desire (James 1:14-15), proving humanity’s need for regeneration.
• Divine Judgment: God “knows how to rescue the godly from trials and to hold the unrighteous for punishment” (2 Peter 2:9).
• Cleansing in Christ: “The blood of Jesus His Son cleanses us from all sin” (1 John 1:7).

Relation to Other New Testament Terms

φθορά (corruption) – Galatians 6:8.

ἀκαθαρσία (uncleanness) – 1 Thessalonians 4:7.

μίανσις (defilement) – Mark 7:23.

Together they depict sin as both guilt and grime, requiring atonement and purification.

Practical Implications for Believers

1. Guard Desires: Purity begins in the heart (Proverbs 4:23; Philippians 4:8).
2. Maintain Sound Doctrine: Error spreads defilement (2 Timothy 2:17-18).
3. Exercise Discipline: Persistent pollution endangers the whole body (1 Corinthians 5:6-7).
4. Trust Christ’s Cleansing: Sanctification is Spirit-empowered (Hebrews 9:14; Titus 3:5).

Ministerial Applications

• Teach holiness without legalism, rooting it in the gospel.
• Model submission to God-ordained authority.
• Expose doctrines that license sin.
• Offer hope of cleansing to repentant sinners.

Summary

Strong’s Greek 3394 concentrates the Bible’s teaching on sin’s defiling power: inner corruption that expresses itself in doctrinal and moral rebellion. Peter’s lone use crystallizes a timeless call—flee pollution, cling to Christ, and pursue the holiness that befits the redeemed.

Forms and Transliterations
μιασμου μιασμού μιασμοῦ miasmou miasmoû
Links
Interlinear Greek • Interlinear Hebrew • Strong's Numbers • Englishman's Greek Concordance • Englishman's Hebrew Concordance • Parallel Texts
Englishman's Concordance
2 Peter 2:10 N-GMS
GRK: ἐν ἐπιθυμίᾳ μιασμοῦ πορευομένους καὶ
NAS: the flesh in [its] corrupt desires
KJV: the lust of uncleanness, and
INT: in [the] lust of pollution walk and

Strong's Greek 3394
1 Occurrence


μιασμοῦ — 1 Occ.

3393
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