148. aischrologia
Lexical Summary
aischrologia: Filthy language, obscene speech, foul talk

Original Word: αἰσχρολογία
Part of Speech: Noun, Feminine
Transliteration: aischrologia
Pronunciation: ahee-skrol-og-ee'-ah
Phonetic Spelling: (ahee-skhrol-og-ee'-ah)
KJV: filthy communication
NASB: abusive speech
Word Origin: [from G150 (αἰσχρός - disgraceful) and G3056 (λόγος - word)]

1. vile, disgraceful conversation

Strong's Exhaustive Concordance
filthy communication, obscene speech

From aischros and logos; vile conversation -- filthy communication.

see GREEK aischros

see GREEK logos

NAS Exhaustive Concordance
Word Origin
from aischros and legó
Definition
abusive language
NASB Translation
abusive speech (1).

Thayer's Greek Lexicon
STRONGS NT 148: αἰσχρολογία

αἰσχρολογία, (ας, (from αἰσχρολόγος, and this from αἰσχρός and λέγω), foul speaking (Tertullianturpiloquium), low and obscene speech, (R. V. shameful speaking): Colossians 3:8: (Xenophon, Aristotle, Polybius) (Cf. Lightfoot at the passage; Trench, § xxxiv.)

Topical Lexicon
Definition and Linguistic Background

Formed from terms for “shameful” and “word,” the noun designates speech that is morally disgraceful. It is more than coarse humor; it carries the idea of language that dishonors both speaker and hearer by violating God-given standards of purity.

Scriptural Context (Colossians 3:8)

Paul situates the term within a vice list meant to characterize the “old self” that believers are commanded to “put away.” The surrounding sins—anger, wrath, malice, slander—all flow out of a heart at odds with God. “Filthy language” caps the list as an audible symptom of an inner rebellion that Christ’s death and resurrection are meant to overthrow.

Theology of Speech Purity

1. Source of Words: Jesus teaches, “For out of the overflow of the heart, the mouth speaks” (Matthew 12:34). Obscene talk therefore signals a heart needing renewal.
2. Purpose of Words: Speech was created for blessing—praise to God (Hebrews 13:15) and edification of others (Ephesians 4:29). Filthy language reverses that purpose, substituting degradation for blessing.
3. Identity in Christ: Confession of faith (“Jesus is Lord,” Romans 10:9) sanctifies the mouth; believers cannot simultaneously bless God and curse people (James 3:9-10).

Connections with Old Testament Wisdom Literature

Proverbs repeatedly contrasts righteous and corrupt speech (Proverbs 4:24; 10:32; 15:28). The wisdom tradition sets the foundation Paul draws upon: foul speech is not a trivial social faux pas but a rejection of wisdom that leads to life.

Historical Usage in Early Christianity

Early church writers echoed Paul. The Didache warns against “foul words,” linking them to idolatry. John Chrysostom urged believers to avoid theater performances laced with obscenity, stating that such speech sullies the soul. Christian baptismal vows often included renouncing “every evil word,” underscoring communal seriousness about verbal purity.

Pastoral Applications

• Personal Sanctification: Memorizing passages such as Psalm 141:3, “Set a guard, O LORD, over my mouth,” trains believers to surrender speech to the Spirit.
• Discipleship and Family Life: Parents are to model and teach speech that “gives grace to those who hear” (Ephesians 4:29), countering a culture that normalizes vulgarity.
• Corporate Worship: Liturgical readings, prayers, and songs discipline the tongue toward praise, replacing obscene patterns with thanksgiving (Ephesians 5:4).
• Digital Communication: The principle governs social media, email, and texting; the medium changes, the mandate remains.

Implications for Mission and Witness

Colossians 4:6 urges speech “always with grace, seasoned with salt.” Purity of language authenticates the gospel, while obscenity undermines it. A people whose words are consistently wholesome offer a compelling contrast that draws attention to Christ.

Conclusion

Strong’s Greek 148 highlights how the sanctifying work of the Spirit reaches the smallest syllable uttered. By putting away “filthy language,” believers display the new humanity recreated in Christ, bringing honor to God and blessing to neighbor.

Forms and Transliterations
αισχρολογιαν αισχρολογίαν αἰσχρολογίαν aischrologian aischrologían
Links
Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Colossians 3:8 N-AFS
GRK: κακίαν βλασφημίαν αἰσχρολογίαν ἐκ τοῦ
NAS: slander, [and] abusive speech from your mouth.
KJV: blasphemy, filthy communication out of
INT: malice slander foul language out of the

Strong's Greek 148
1 Occurrence


αἰσχρολογίαν — 1 Occ.

147
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