3442. monophthalmos
Lexical Summary
monophthalmos: One-eyed

Original Word: μονόφθαλμος
Part of Speech: Adjective
Transliteration: monophthalmos
Pronunciation: mo-NOF-thal-mos
Phonetic Spelling: (mon-of'-thal-mos)
KJV: with one eye
NASB: one eye
Word Origin: [from G3441 (μόνος - alone) and G3788 (ὀφθαλμός - eyes)]

1. one-eyed

Strong's Exhaustive Concordance
with one eye.

From monos and ophthalmos; one-eyed -- with one eye.

see GREEK monos

see GREEK ophthalmos

NAS Exhaustive Concordance
Word Origin
from monos and ophthalmos
Definition
having one eye
NASB Translation
one eye (2).

Thayer's Greek Lexicon
STRONGS NT 3442: μονόφθαλμος

μονόφθαλμος, μονόφθαλμον (μόνος, ὀφθαλμός) (Vulg.luscus, Mark 9:47), deprived of one eye, having one eye: Matthew 18:9; Mark 9:47. (Herodotus, Apollod., Strabo, (Diogenes Laërtius, others; (Lob. ad Phryn., p. 136; Bekker Anecd. 1:280; Rutherford, New Phryn., p. 209; Winer's Grammar, 24).)

Topical Lexicon
Canonical Context

Strong’s 3442 appears only in Matthew 18:9 and Mark 9:47, where Jesus teaches that it is “better…to enter life with one eye than to have two eyes and be thrown into the fire of hell” (Matthew 18:9). The restricted distribution highlights the term’s weight: it belongs exclusively to Christ’s discourse on radical discipleship and eternal destiny.

Literary Function in the Synoptic Tradition

The “one-eyed” condition functions as graphic hyperbole. By presenting a bodily loss most people instinctively dread, Jesus intensifies the call to ruthless self-denial. The same unit of teaching also mentions cutting off a hand or foot (Matthew 18:8; Mark 9:43-45), but only the loss of an eye is labeled with a specific descriptor, underscoring sight as the primary gateway for temptation (compare Matthew 6:22-23).

Old Testament Background

While Mosaic Law forbade the maiming of others (Exodus 21:24-25), it never commanded self-mutilation. Jesus therefore invokes the imagery, not the literal act, to press home Deuteronomy 6:5—love for God “with all your soul.” The prophets often connected spiritual perception with covenant obedience (Isaiah 6:9-10; Jeremiah 5:21); entering life “with one eye” dramatizes choosing covenant fidelity at any cost.

Theology of Radical Obedience

1. Seriousness of Sin. Sin, if unopposed, ends in Gehenna. The contrast—“life” versus “hell”—allows no neutral space.
2. Bodily Stewardship. The body is neither despised nor ultimate. Better partial loss than total ruin. Paul echoes the principle: “I strike my body and make it my slave” (1 Corinthians 9:27).
3. Eschatological Urgency. The verbs are punctiliar (“gouge,” “throw”) and decisive, reflecting the once-for-all turning demanded by the gospel (Luke 13:3).

Spiritual Sight and Blindness

The single eye also symbolizes undivided devotion. Jesus earlier taught, “If your eyes are good, your whole body will be full of light” (Matthew 6:22). Therefore, the text warns against divided vision—trying to follow Christ while indulging lust (1 John 2:16) or envy (James 3:16). “One eye” can thus be read as the integrated inner life that looks steadfastly to Christ (Hebrews 12:2).

Patristic and Jewish Reception

Early rabbis treated self-mutilation as forbidden, confirming that Jesus spoke figuratively. Church Fathers such as Origen, Chrysostom, and Augustine insisted the command aims at the “inordinate affections” rather than at literal surgery. Their homilies repeatedly apply the verse to guarding the senses and severing occasions of sin—books, friendships, or entertainments that draw the heart away from God.

Pastoral and Missional Applications

• Personal Holiness: Believers are to identify and “gouge out” any practice—digital, relational, financial—that drags them toward sin (Romans 13:14).
• Discipleship Counseling: New converts often need guidance in making costly breaks with former lifestyles; this text supplies Christ’s warrant for decisive action (Luke 14:27-33).
• Preaching the Gospel: The stark alternative between “life” and “hell” clarifies the gravity of sin when proclaiming salvation (Acts 24:25).
• Missions in Persecuted Contexts: For some, faithfulness to Christ already entails literal bodily loss; Jesus’ words comfort them with the prospect of eternal life that outweighs temporal suffering (Romans 8:18).

Practical Considerations for Ministry

1. Maintain the metaphor while affirming the sanctity of the body; discourage self-harm.
2. Tie the passage to accountability structures—confession partners, filtered devices, transparent finances.
3. Emphasize hope: the command is not merely subtractive. The promised outcome is “life” and “the kingdom of God” (Mark 9:47), and the eye that remains—literal or figurative—beholds the beauty of the Lord (Psalm 27:4).

Forms and Transliterations
μονοφθαλμον μονόφθαλμον monophthalmon monóphthalmon
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Matthew 18:9 Adj-AMS
GRK: σοί ἐστιν μονόφθαλμον εἰς τὴν
NAS: life with one eye, than
KJV: life with one eye, rather than
INT: for you it is one-eyed into the

Mark 9:47 Adj-AMS
GRK: σέ ἐστιν μονόφθαλμον εἰσελθεῖν εἰς
NAS: of God with one eye, than,
KJV: of God with one eye, than
INT: for you it is with one eye to enter into

Strong's Greek 3442
2 Occurrences


μονόφθαλμον — 2 Occ.

3441
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