Quick Definition
I testify falsely
Strong's Definition
to be an untrue testifier, i.e. offer falsehood in evidence
Derivation: from G5575 (ψευδομάρτυρ);
KJV Usage: be a false witness
Thayer's Greek Lexicon
ψευδομαρτυρέω, ψευδομαρτύρω: imperfect ἐψευδομαρτυρου; future ψευδομαρτυρήσω; 1 aorist subjunctive 2 person singular ψευδομαρτυρήσῃς; to utter falsehoods in giving testimony, to testify falsely, to bear false witness (Xenophon, mem. 4, 4, 11; Plato, rep. 9, p. 575 b.; legg. 11, p. 937 c.; Aristotle, rhet. 1, 14, 6, p. 1375a, 12; (rhet. ad Alex. 16, p. 1432a, 6); Josephus, Antiquities 3, 5, 5): Mat_19:18; (Mar_10:19); Luk_18:20; Rom_13:9 Rec.; κατά τίνος, Mar_14:56 f (as Exo_20:16; Deu_5:20).
Mounce Concise Greek Dictionary
ψευδομαρτυρέω pseudomartyreō 5x
to bear false witness, give false testimony, Mat_19:18 ; Mar_10:19 ; Mar_14:56-57 ; Luk_18:20
Abbott-Smith Greek Lexicon
ψευδο -μαρτυρέω , -ῶ ,
[in LXX : Exo_20:16 , Deu_5:20 (17) ( H6030 ), Da TH Su 1:61 AB2R ( v. ψευδομάρτυς G5575 ) * ;]
to bear false witness: Mat_19:18 , Mar_10:19 , Luk_18:20 ( LXX ); seq . κατά , c . gen . pers ., Mar_14:56-57 ( Xen ., Plat ., al .).†
Moulton & Milligan — Vocabulary of the Greek NT
ψευδομαρτυρέω [page 697]
bear false witness (Mat. 19:18 al. ) : cf. the compd. ψευδογραφέω in P Tebt I. 78 17 (B.C. 110 8) μηθὲν ἐψ [ε ]υδογραφηκέναι , I have made no false statement (Edd.).
Liddell-Scott — Intermediate Greek Lexicon
ψευδομαρτυρέω ψευδομαρτυ^ρέω, φυτ. -ήσω "to be a false witness, bear false witness", Plat. , Xen.
STEPBible — Tyndale Abridged Greek Lexicon
ψευδο-μαρτυρέω, -ῶ
[in LXX: Exo.20:16, Deu.5:20 (17) (עָנָה), Da TH Su 1:61 AB2R (see ψευδομάρτυς) * ;]
to bear false witness: Mat.19:18, Mrk.10:19, Luk.18:20" (LXX) ; before κατά, with genitive of person(s), Mrk.14:56-57 (Xen., Plat., al.).†
(AS)