3428. moichalis
Lexical Summary
moichalis: Adulteress

Original Word: μοιχαλὶς
Part of Speech: Noun, Feminine
Transliteration: moichalis
Pronunciation: moy-khal-is'
Phonetic Spelling: (moy-khal-is')
KJV: adulteress(-ous, -y)
NASB: adulterous, adulteress, adulteresses, adultery
Word Origin: [a prolonged form of the feminine of G3432 (μοιχός - adulterers)]

1. an adulteress
{literally or figuratively}

Strong's Exhaustive Concordance
adulteress

A prolonged form of the feminine of moichos; an adulteress (literally or figuratively) -- adulteress(-ous, -y).

see GREEK moichos

NAS Exhaustive Concordance
Word Origin
from the fem. of moichos
Definition
an adulteress
NASB Translation
adulteress (2), adulteresses (1), adulterous (3), adultery (1).

Thayer's Greek Lexicon
STRONGS NT 3428: μοιχαλίς

μοιχαλίς, μοιχαλίδος, (μοιχός), a word unknown to the earlier writers but found in Plutarch, Heliodorus, others; see Lob. ad Phryn., p. 452; (Winers Grammar, 24); the Sept. for נֹאֶפֶת (Ezekiel 16:38; Ezekiel 23:45) and מְנָאֶפֶת (Hosea 3:1; Proverbs 24:55 ()); an adulteress;

a. properly: Romans 7:3; ὀφθαλμοί μεστοί μοιχαλίδος, eyes always on the watch for an adulteress, or from which adulterous desire beams forth, 2 Peter 2:14.

b. As the intimate alliance of God with the people of Israel was likened to a marriage, those who relapse into idolatry are said to commit adultery or play the harlot (Ezekiel 16:15ff; 23:43ff, etc.); hence, μοιχαλίς is figuratively equivalent to faithless to God, unclean, apostate: James 4:4 (where cf. Alford); as an adjective (cf. Matthiae, § 429, 4), γενεά ... μοιχαλίς: Matthew 12:39; Matthew 16:4; Mark 8:38. (Cf. Clement of Alexandria, strom. vi. c. 16 § 146, p. 292, 5 edition Sylb.)

Topical Lexicon
Overview

Strong’s Greek 3428 designates the feminine noun translated “adulteress.” The term appears seven times in the Greek New Testament and functions both literally (a woman who violates the marriage covenant) and figuratively (a people who break covenant with God).

Old Testament Background

The prophets frequently portrayed Israel’s idolatry as marital unfaithfulness (for example, Jeremiah 3:8-9; Hosea 2:2-5). This prophetic backdrop prepares the reader to recognize “adulteress” as a covenantal category: abandoning exclusive devotion to the LORD equals spiritual adultery. The New Testament writers inherit and sharpen that imagery.

New Testament Usage

1. Literal illustration
Romans 7:3 employs the everyday legal reality of an adulteress to explain why believers married to Christ through His death are released from the old covenant’s jurisdiction. Paul assumes the Mosaic definition of adultery and uses it to affirm both the sanctity of marriage and the permanence of God’s moral law.

2. Prophetic indictment of an unfaithful generation
Matthew 12:39; Matthew 16:4; Mark 8:38 call Jesus’ contemporaries “an evil and adulterous generation.” The charge is not sexual misconduct but covenant infidelity expressed in unbelief and demand for signs. Jesus echoes Hosea’s language to expose hearts that prefer spectacle over repentance.

“For whoever is ashamed of Me and My words in this adulterous and sinful generation, the Son of Man will also be ashamed of him when He comes in His Father’s glory with the holy angels.” (Mark 8:38)

3. Rebuke of worldly compromise within the church
James 4:4 confronts believers courting the world: “You adulteresses! Do you not know that friendship with the world is hostility toward God?”. The plural feminine vocative intensifies the rebuke, reminding the church that covenant loyalty demands undivided affection.
2 Peter 2:14 labels false teachers as people whose “eyes are full of adultery.” Their predatory gaze mirrors spiritual unfaithfulness and threatens the purity of the flock.

Theological Significance

Covenant Fidelity: Scripture consistently frames God’s relationship with His people in marital terms—He is the faithful Husband; His people are called to faithful, exclusive love. The label “adulteress” marks the most serious breach of that covenant.

Holiness and Judgment: Passages using 3428 warn that divine judgment falls on those who persist in unfaithfulness, whether an individual breaking the marriage bond (Romans 7:3) or a generation rejecting Christ (Mark 8:38).

Grace and Release: Paul’s use in Romans 7 underscores that through union with the crucified and risen Christ believers are freed from the penalty of the Law, just as the death of a husband frees a woman from marital bonds. Grace does not lessen the seriousness of adultery; rather, it fulfills the Law’s demands and calls the believer to a higher covenant loyalty.

Moral and Pastoral Applications

Marriage Ethics: The literal meaning reinforces the call to marital fidelity (Matthew 5:27-32; Hebrews 13:4). Pastoral care must hold high the sanctity of marriage while offering repentance and restoration to the repentant adulterer.

Spiritual Vigilance: James and Peter show that spiritual adultery begins in the heart’s affections before manifesting in visible compromise. Churches must cultivate friendship with God through worship, Scripture, and obedience, resisting the allure of worldly values.

Discipleship in a Hostile Culture: Jesus’ warning in Mark 8:38 equips believers to stand unashamed of the gospel amid an “adulterous and sinful generation.” Public loyalty to Christ is a litmus test of covenant faithfulness.

Christological and Ecclesiological Dimensions

Bridegroom Theology: The Church is the Bride of Christ (Ephesians 5:25-27; Revelation 19:7-9). The term “adulteress” implicitly contrasts with the Bride’s calling to purity. Sanctification is therefore bridal preparation.

Eschatological Accountability: Mark 8:38 links present allegiance to future judgment. The Bridegroom will evaluate whether His people maintained faithful witness. Assurance of salvation coexists with sober warnings that expose false professions.

Relevance for Contemporary Discipleship

In an age that normalizes both marital infidelity and spiritual pluralism, the New Testament’s use of Strong’s 3428 summons believers to:

• Uphold biblical marriage as a covenant reflecting God’s own faithfulness.
• Guard against idolatry in all its modern forms—materialism, relativism, political idolatry.
• Proclaim the gospel without shame, trusting that the returning Bridegroom will honor those who honor Him.

Forms and Transliterations
μοιχαλιδα μοιχαλίδα μοιχαλιδες μοιχαλίδες μοιχαλιδι μοιχαλίδι μοιχαλιδος μοιχαλίδος μοιχαλίδων μοιχαλίν μοιχαλις μοιχαλίς μοιχαλὶς moichalida moichalída moichalides moichalídes moichalidi moichalídi moichalidos moichalídos moichalis moichalìs
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Matthew 12:39 N-NFS
GRK: πονηρὰ καὶ μοιχαλὶς σημεῖον ἐπιζητεῖ
NAS: to them, An evil and adulterous generation
KJV: and adulterous generation
INT: evil and adulterous a sign seeks for

Matthew 16:4 N-NFS
GRK: πονηρὰ καὶ μοιχαλὶς σημεῖον ἐπιζητεῖ
NAS: An evil and adulterous generation
KJV: and adulterous generation
INT: evil and adulterous a sign seeks

Mark 8:38 N-DFS
GRK: ταύτῃ τῇ μοιχαλίδι καὶ ἁμαρτωλῷ
NAS: in this adulterous and sinful
KJV: in this adulterous and sinful
INT: this adulterous and sinful

Romans 7:3 N-NFS
GRK: τοῦ ἀνδρὸς μοιχαλὶς χρηματίσει ἐὰν
NAS: she shall be called an adulteress; but if
KJV: she shall be called an adulteress: but
INT: the husband an adulteress she will be called if

Romans 7:3 N-AFS
GRK: εἶναι αὐτὴν μοιχαλίδα γενομένην ἀνδρὶ
NAS: from the law, so that she is not an adulteress though she is joined
KJV: no adulteress, though she be married
INT: so as to be she an adulteress having become to man

James 4:4 N-VFP
GRK: μοιχαλίδες οὐκ οἴδατε
NAS: You adulteresses, do you not know
KJV: and adulteresses, know ye
INT: adultresses not know you

2 Peter 2:14 N-GFS
GRK: ἔχοντες μεστοὺς μοιχαλίδος καὶ ἀκαταπαύστους
NAS: full of adultery that never cease
KJV: full of adultery, and
INT: having full of an adulteress and that cease not

Strong's Greek 3428
7 Occurrences


μοιχαλίδα — 1 Occ.
μοιχαλίδες — 1 Occ.
μοιχαλίδι — 1 Occ.
μοιχαλίδος — 1 Occ.
μοιχαλὶς — 3 Occ.

3427
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