5574. pseudomai
Lexical Summary
pseudomai: To lie, to speak falsely, to deceive

Original Word: ψεύδομαι
Part of Speech: Verb
Transliteration: pseudomai
Pronunciation: psyoo'-dom-ahee
Phonetic Spelling: (psyoo'-dom-ahee)
KJV: falsely, lie
NASB: lie, lying, falsely, lied
Word Origin: [middle voice of an apparently primary verb]

1. to utter a lie or attempt to deceive by falsehood

Strong's Exhaustive Concordance
to lie, speak falsely

Middle voice of an apparently primary verb; to utter an untruth or attempt to deceive by falsehood -- falsely, lie.

HELPS Word-studies

5574 pseúdomai (from pseudō, "to falsify, lie") – properly, lie (falsify), willfully misrepresent (mislead).

NAS Exhaustive Concordance
Word Origin
from a root pseud-
Definition
to lie
NASB Translation
falsely (1), lie (6), lied (1), lying (4).

Thayer's Greek Lexicon
STRONGS NT 5574: ψεύδομαι

ψεύδομαι; 1 aorist ἐψευσάμην; (deponent middle of ψεύδω (allied with ψιθυρίζω etc. (Vanicek, p. 1195)) 'to deceive', 'cheat'; hence, properly, to show oneself deceitful, to play false); from Homer down; to lie, to speak deliberate falsehoods: Hebrews 6:18; 1 John 1:6; Revelation 3:9; οὐ ψεύδομαι, Romans 9:1; 2 Corinthians 11:31; Galatians 1:20; 1 Timothy 2:7; τινα, to deceive one by a lie, to lie to (Euripides, Aristophanes, Xenophon, Plutarch, others): Acts 5:3; like verbs of saying, with a dative of the person (cf. Winers Grammar, § 31, 5; Buttmann, § 133, 1; Green, p. 100f), Acts 5:4 (Psalm 17:45 (); Psalm 77:36 (); Psalm 88:36 (); Joshua 24:27; (Jeremiah 5:12), etc.); εἰς τινα, Colossians 3:9; κατά τίνος, against one, Matthew 5:11 (L G omit; Tr marginal reading brackets ψευδόμενοι; others connect καθ' ὑμῶν with εἴπωσι and make ψευδόμενοι a simple adjunct of mode (A. V. falsely)); κατά τῆς ἀληθείας, James 3:14 (here Tdf. makes ψεύδεσθε absolutely; cf. Winers Grammar, 470 (438) n. 3). (The Sept. for כִּחִשׁ and כִּזֵּב.)

Topical Lexicon
Ethical weight of falsehood in Scripture

Lying is consistently presented as incompatible with the character of God and the life to which His people are called. Each appearance of Strong’s 5574 underscores the moral antithesis between deceit and divine truth. Scripture treats lying not merely as a social fault but as a spiritual breach that invites judgment, disrupts fellowship, and impedes witness.

Old Testament background

The prohibition against “bearing false witness” (Exodus 20:16) laid the foundation for Israel’s communal ethics. Prophets repeatedly condemned deceit (Jeremiah 9:3-5). Against this backdrop the New Testament writers retain and intensify the call to truthful speech, anchoring it in the very nature of God “in whom there is no variation or shadow of turning” (James 1:17).

The teaching of Jesus

In the Sermon on the Mount the Lord alerts His followers to the inevitability of slanderous falsehood: “Blessed are you when people insult you, persecute you, and falsely say all kinds of evil against you because of Me” (Matthew 5:11). The possibility of being lied about does not diminish the disciple’s blessedness; instead it highlights the contrast between the kingdom ethic and the world’s hostility.

The early church narrative: Ananias and Sapphira

Acts 5:3-4 portrays the first recorded instance of deceit within the post-Pentecost community. Peter’s words—“Ananias, why has Satan filled your heart to lie to the Holy Spirit?”—reveal that lying to the church is tantamount to lying to God Himself. The immediate judgment on the couple displays the Spirit’s zeal for purity and serves as a sober warning to every subsequent generation of believers.

Pauline self-testimony of truthfulness

On three occasions Paul affirms his integrity with the phrase “I am not lying” (Romans 9:1; 2 Corinthians 11:31; Galatians 1:20). These statements do more than defend his reputation; they link apostolic authority to veracity. Because the gospel message is truth, its messenger must be trustworthy. Paul’s insistence on truthfulness also counters accusations meant to undermine the gospel’s credibility.

Pastoral corrections and community holiness

Colossians 3:9 and James 3:14 address congregational relationships: “Do not lie to one another” and “if you harbor bitter jealousy and selfish ambition in your hearts, do not boast in it and lie against the truth.” Deceit fractures unity and contradicts the “new self” created in Christ. Pastoral instructions therefore place truthful speech at the heart of sanctified living and corporate harmony.

The call to authentic faith in Johannine literature

1 John 1:6 exposes a particular form of lying: professing fellowship with God while walking in darkness. Such a claim falsifies one’s spiritual condition. John positions honesty before God and others as evidence of genuine conversion: “If we say we have fellowship with Him yet walk in darkness, we lie and do not practice the truth.”

Eschatological vindication and judgment

Revelation 3:9 promises that deceitful opponents of the Philadelphian church “will come and fall down at your feet and know that I have loved you.” Final judgment will unmask every falsehood and exalt truth. Hebrews 6:18 declares that “it is impossible for God to lie,” grounding the believer’s hope in the unchangeable nature of God’s promise. Thus eschatology is inseparable from the certainty that divine truth will prevail.

Ministry implications for today

• Proclamation: Ministers must model integrity, recognizing that credibility of message and messenger are intertwined.
• Discipleship: Congregational life should cultivate transparency, confession, and accountability, guarding against the subtle encroachment of deceit.
• Apologetics: The church’s witness in a relativistic culture depends on demonstrating that truth is both knowable and embodied in Christ.
• Pastoral care: Addressing hidden sin early protects the flock from the devastating consequences exemplified in Acts 5.

Strong’s 5574 therefore serves not only as a lexical entry but as a theological thread weaving together ethics, doctrine, and eschatological hope, urging the people of God toward speech and lives that reflect the One who “cannot lie.”

Forms and Transliterations
εψευσάμεθα εψευσάμην εψεύσαντο εψεύσαντό εψεύσατο εψευσω εψεύσω ἐψεύσω ψευδεσθε ψεύδεσθε ψεύδεται ψεύδη ψευδομαι ψεύδομαι ψευδομεθα ψευδόμεθα ψευδομενοι ψευδόμενοι ψευδονται ψεύδονται ψευσασθαι ψεύσασθαι ψεύσασθαί ψεύσεσθε ψεύσεται ψεύσησθε ψεύσηται ψεύσομαι ψεύσονταί epseuso epseusō epseúso epseúsō pseudesthe pseúdesthe pseudomai pseúdomai pseudomenoi pseudómenoi pseudometha pseudómetha pseudontai pseúdontai pseusasthai pseúsasthai pseúsasthaí
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Matthew 5:11 V-PPM/P-NMP
GRK: καθ' ὑμῶν ψευδόμενοι ἕνεκεν ἐμοῦ
NAS: you and persecute you, and falsely say
KJV: against you falsely, for my sake.
INT: against you lying on account of me

Acts 5:3 V-ANM
GRK: καρδίαν σου ψεύσασθαί σε τὸ
NAS: your heart to lie to the Holy
KJV: thine heart to lie to the Holy Ghost,
INT: heart of you to lie to [for] you the

Acts 5:4 V-AIM-2S
GRK: τοῦτο οὐκ ἐψεύσω ἀνθρώποις ἀλλὰ
NAS: in your heart? You have not lied to men
KJV: thou hast not lied unto men, but
INT: this not You did lie to men but

Romans 9:1 V-PIM/P-1S
GRK: Χριστῷ οὐ ψεύδομαι συμμαρτυρούσης μοι
NAS: in Christ, I am not lying, my conscience
KJV: in Christ, I lie not, my
INT: Christ not I lie bearing witness with me

2 Corinthians 11:31 V-PIM/P-1S
GRK: ὅτι οὐ ψεύδομαι
NAS: forever, knows that I am not lying.
KJV: knoweth that I lie not.
INT: that not I do lie

Galatians 1:20 V-PIM/P-1S
GRK: ὅτι οὐ ψεύδομαι
NAS: you before God that I am not lying.)
KJV: God, I lie not.
INT: not I lie

Colossians 3:9 V-PMM-2P
GRK: μὴ ψεύδεσθε εἰς ἀλλήλους
NAS: Do not lie to one another,
KJV: Lie not one to another,
INT: not Do lie to one another

1 Timothy 2:7 V-PIM/P-1S
GRK: λέγω οὐ ψεύδομαι διδάσκαλος ἐθνῶν
NAS: the truth, I am not lying) as a teacher
KJV: in Christ, [and] lie not;) a teacher
INT: I speak not I do lie a teacher of [the] Gentiles

Hebrews 6:18 V-ANM
GRK: οἷς ἀδύνατον ψεύσασθαι τὸν θεόν
NAS: for God to lie, we who have taken refuge
KJV: for God to lie, we might have
INT: which [it was] impossible to lie [for] God

James 3:14 V-PMM-2P
GRK: κατακαυχᾶσθε καὶ ψεύδεσθε κατὰ τῆς
NAS: do not be arrogant and [so] lie against
KJV: not, and lie not against the truth.
INT: do boast against and lie against the

1 John 1:6 V-PIM/P-1P
GRK: σκότει περιπατῶμεν ψευδόμεθα καὶ οὐ
NAS: in the darkness, we lie and do not practice
KJV: in darkness, we lie, and do
INT: darkness should walk we lie and not

Revelation 3:9 V-PIM/P-3P
GRK: εἰσὶν ἀλλὰ ψεύδονται ἰδοὺ ποιήσω
NAS: that they are Jews and are not, but lie-- I will make
KJV: not, but do lie; behold, I will make
INT: are but do lie Behold I will cause

Strong's Greek 5574
12 Occurrences


ἐψεύσω — 1 Occ.
ψεύδεσθε — 2 Occ.
ψεύδομαι — 4 Occ.
ψευδόμενοι — 1 Occ.
ψευδόμεθα — 1 Occ.
ψεύδονται — 1 Occ.
ψεύσασθαί — 2 Occ.

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