Quick Definition
how much more
Strong's Definition
not at all then, i.e. not to say (the rather still)
Derivation: from G3385 (μήτι) and G1065 (γέ);
KJV Usage: how much more
Thayer's Greek Lexicon
μήτιγε [so G TWH; but μήτι ye RL, μή τι ye Tr], (fr. μή, τί, γέ), to say nothing of, not to mention, which ace. to the context is either a. much less; or b. much more, much rather; so once in the N. T., 1 Co. vi. 3. Cf. Herm. ad Vig. p. 801 sq.
Mounce Concise Greek Dictionary
Abbott-Smith Greek Lexicon
μή-τι-γε
(μήτι γε, Rec., L; μή τι γε, Tr.), >strengthened form of μήτι,
let alone: i.e. according to context; much less;
much more: I Co 6:3.†
Moulton & Milligan — Vocabulary of the Greek NT
μήτιγε. With μήτιγε in 1 Cor 68 μήτιγε βιωτικά, ““ποῖ to speak of mere affairs of daily life,” we may compare the corresponding μὴ ὅτι ye in P Lond 4258 (B.c. 168) (=I. p. 30, Selections, p. 10) ὡς ἔτ[ι] σοῦ παρ[όν]τος πάντων ἐπεδεόμῃν, μὴ ὅτι γε τοσούτου χρόνου ἐπιγεγονότος, ‘while you were still at home, I went short altogether, not to mention how long a time has passed since '’—the complaint of a wife to her husband. See also Herod. iv. 76.
Liddell-Scott-Jones — Greek-English Lexicon
μήτιγε (mētige) — how much more. Related to: μήτῐς or μή τις, ὁ, ἡ, neuter μήτῐ, genitive μήτῐνος: (τὶς) old Gr. and Cretan dialect for μηδείς, [Refs 8th c.BC+]; Cretan dialect dative singular μηδιμί [Refs] —hence
1. μήτι or μή τι, adverb, with imperative, and infinitive used imperatively, [Refs 8th c.BC+]: with optative to express a wish, ὄλοιντο μή τι πάντες [Refs 5th c.BC+]
2. after Verbs of fear or doubt, [Refs 8th c.BC+]
3. in direct questions, μή τί σοι δοκῶ ταρβεῖ; do I.. ? (i.e. I do not), [NT+4th c.BC+]
4. μή τί γε let alone, much less, οὐδὲ στρατιώτης οὗτός γε οὐδενός ἐστιν ἄξιος, μή τί γε τῶν ἄλλων ἡγεμών [Refs 4th c.BC+]; later, not to mention, οὐκ οἴδατε ὅτι ἀγγέλους κρινοῦμε; μήτι γε βιωτικά [NT]: with a word between, ὡς.. δώσοντι δίκην, μή τι ποιήσαντί γε [Refs 5th c.BC+]