3436. molusmos
Lexical Summary
molusmos: Defilement, pollution

Original Word: μολυσμός
Part of Speech: Noun, Masculine
Transliteration: molusmos
Pronunciation: mo-loos-MOS
Phonetic Spelling: (mol-oos-mos')
KJV: filthiness
NASB: defilement
Word Origin: [from G3435 (μολύνω - defiled)]

1. a stain
2. (figuratively) immorality

Strong's Exhaustive Concordance
filthiness, immorality

From moluno; a stain; i.e. (figuratively) immorality -- filthiness.

see GREEK moluno

NAS Exhaustive Concordance
Word Origin
from molunó
Definition
defilement
NASB Translation
defilement (1).

Thayer's Greek Lexicon
STRONGS NT 3436: μολυσμός

μολυσμός, μολυσμοῦ, (μολύνω), defilement (Vulg.inquinamentum); an action by which anything is defiled: with the genitive of the thing defiled, σαρκός καί πνεύματος, 2 Corinthians 7:1. (Jeremiah 23:15; 1 Esdr. 8:80; 2 Macc. 5:27; Plutarch, mor., p. 779 c.; (Josephus, contra Apion 1, 32, 2; 2, 24, 5; etc.); often in ecclesiastical writings.)

Topical Lexicon
Concept of Defilement

The word μολυσμός denotes a pollution or stain that renders a person, object, or community unfit for fellowship with God. Scripture treats defilement as both tangible (touching a corpse, consuming unclean food) and intangible (idolatry, immorality, false worship). Whether ritual or moral, the result is the same: distance from God’s presence and a call to purification.

Old Testament Background

In the Septuagint the term frequently translates Hebrew words for uncleanness (Leviticus 22:5; Numbers 19:13; 2 Chronicles 29:16). It appears in contexts such as:
• contact with death (Numbers 19:13)
• bodily emissions and skin disease (Leviticus 22:5)
• idolatrous altars and high places (Ezekiel 36:17)

These passages teach that defilement disrupts covenant fellowship and demands atonement and cleansing. The priesthood, sacrifices, and ritual washings foreshadow the ultimate cleansing accomplished by Christ.

Use in 2 Corinthians 7:1

“Therefore, beloved, since we have these promises, let us cleanse ourselves from every defilement of body and spirit, perfecting holiness in the fear of God.” (2 Corinthians 7:1)

Paul applies the Old Testament concept to the New Covenant believer. “Body and spirit” underscores that no aspect of life is exempt: physical habits, relational conduct, thought life, and worship all fall under the call to holiness. This exhortation follows promises of God’s indwelling (2 Corinthians 6:16-18), linking divine presence with the believer’s responsibility to remove corruption.

Theological Significance

1. Holiness of God: Defilement violates God’s pure nature (Habakkuk 1:13).
2. Totality of Sin’s Reach: Pollution affects both external acts and inner motives (Isaiah 64:6; Matthew 15:18-20).
3. Necessity of Cleansing: Cleansing is both positional—accomplished by Christ’s blood (Hebrews 1:3)—and practical—pursued through obedience and repentance (1 John 1:7-9).
4. Eschatological Hope: Ultimate removal of every impurity is promised in the new creation (Revelation 21:27).

Related Biblical Terms and Themes

• Katharizō (“to cleanse”)—emphasizes the process by which defilement is removed.
• Hagiasmos (“sanctification”)—highlights separation unto God following cleansing.
• Akatharsia (“uncleanness”)—often paired with sexual sin (Ephesians 5:3).
• Koinos (“common”)—contrasts sacred with profane (Acts 10:15).

Historical Reception in Early Church

Early Christian writers linked μολυσμός with baptismal vows and Eucharistic preparation. The Didache urges believers to confess sins so that “your sacrifice may be pure.” Clement of Alexandria equates moral laxity with Temple pollution, urging believers to live as “unblemished sacrifices.” Liturgical prayers commonly plead for deliverance “from every defilement of flesh and spirit,” echoing Paul.

Pastoral and Ministry Applications

• Personal Examination: Regular self-assessment guards against subtle corruptions.
• Discipleship: Teaching on holiness must integrate body and spirit, avoiding dualism.
• Corporate Purity: Church discipline (1 Corinthians 5:6-8) addresses communal defilement.
• Cultural Engagement: Believers resist societal pollutants while shining as holy witnesses (Philippians 2:15).

Reflection Questions

1. What “defilements of body and spirit” most threaten modern believers?
2. How do the promises of God’s indwelling power our pursuit of cleansing?
3. In what ways can corporate worship practices reinforce the call to holiness?

Forms and Transliterations
μολυσμός μολυσμου μολυσμού μολυσμοῦ molusmou molysmou molysmoû
Links
Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
2 Corinthians 7:1 N-GMS
GRK: ἀπὸ παντὸς μολυσμοῦ σαρκὸς καὶ
NAS: from all defilement of flesh
KJV: from all filthiness of the flesh and
INT: from every defilement of flesh and

Strong's Greek 3436
1 Occurrence


μολυσμοῦ — 1 Occ.

3435
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