Quick Definition
ἀπειθέω v. I disobey, rebel, am disloyal
Strong's Definition
from 545; to disbelieve (wilfully and perversely)
KJV Usage: not believe, disobedient, obey not, unbelieving
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀπειθέω, -ὦ; impf. ἠπείθουν; 1 aor. ἠπείθησα: to be ἀπειθής (ᾳ V-); not to allow one’s self to be persuaded ; not to comply with; a. to refuse or withhold belief (in Christ, in the gospel; opp. to πιστεύω) : τῷ υἱῷ, In. iii. 36; τῷ λόγῳ, 1 Pet. ii. 8; iii. 1; absol. of those who reject the gospel, [R. V. to be disobedient; cf. b.]: Acts xiv. 2; xvii. 5 [Rec.]; xix. 9; Ro. xv. 31; 1 Pet. ii. 7(T Tr WH ἀπιστοῦσιν). b. to refuse belief and obedience: with dat. of thing or of pers., Ro. ii. 8 (τῇ ἀληθείᾳν ; xi. 30 sq. (τῷ 6e@) ; 1 Pet.iv. 17; absol., Ro. x. 21 (Is. lxv. 2) ; Heb. iii. 18; xi. 31; 1 Pet. iii. 20. (In Sept. com. equiv. to 179, 7D; in Grk. writ. often fr. Aeschyl. Ag. 1049 down; in Hom. et al. ἀπιθεῖν.)
Mounce Concise Greek Dictionary
ἀπειθέω apeitheō 14x
to be uncompliant; to refuse belief, disbelieve, Jn. 3:36; to refuse belief and obedience, Rom. 10:21; 1 Pet. 3:20; to refuse conformity, Rom. 2:8
Abbott-Smith Greek Lexicon
ἀπειθέω, -ῶ
(< ἀπειθής), [in LXX for מרה, סרר, etc.;]
as in cl. (MM, VGT, s.v.); to disobey, be disobedient: absol., Ac 14:2 19:9, Ro 10:21 11:31 15:31, He 3:18 11:31, I Pe 3:20; c. dat., Jo 3:36, Ro 2:8 11:30, I Pe 2:8 3:1 4:17 (Cremer, 475).†
Moulton & Milligan — Vocabulary of the Greek NT
ἀπειθέω. For ἀ. = ‘‘ disobey” in its later as in its earlier history see s.v. ἀπείθεια and cf. P Hib I. 7319 (B.c. 243-2) τὴν ἸΠάτρωνος βίαν, ὃς ἀπειθῶν δια[τετέλεκε τοῖς πα]ρὰ σοῦ προστάγμασιν, ‘the violence of Patron, who has continued to disobey your orders” (Edd.), P Tebt I. 645 (B.c. 139— decree of Euergetes II) τοὺς δὲ ἀπειθοῦντας ἐπαναγκάζετε e’raxta[s] ἕκαστ᾽ ἀποδιδόναι, ‘compel those who disobey to pay all the sums regularly” (Edd.), 26. 4917 (B.c. 113) ἐὰν δὲ ἀπειθῆι, ““1 he refuses” (Edd.). So Rev 1, 4319 (iii/B.c.) [τ]ῶν γεωργῶν τῶν ἠπειθηκότων, P Tebt 1. 183 (late 1i/B.C.) ἐ[ὰ]ν δὲ ἀπει[θῶσι κ]αταστῆσαι ἐπί] τὸν στρατη[γό]ν, and from Roman times P Tebt II. 315%° (ii/a.D.) ἔχι γὰρ συστατικὰς [ὅπως Toy ἀπιθοῦντα μετὰ φρουρᾶς τῷ ἀρχιερῖ πέμπιν, ‘he has instructions to send recalcitrants under M” ἄπειμι guard to the high-priest” (Edd.), P Oxy IX. 118532 (c. A.D. 200) εἰ δὲ μή ye, ὃς ἂν ἀπειθήσει τούτῳ pov τῷ διατά[γματι], ‘otherwise, ifany one disobeys this my order,” P Ryl II. 153%? (a.p. 138-61) ἐὰν δ]ὲ ἀπιθῇ ὁ [Μύρων καὶ μὴ ἀπΊοδοϊ ταύτας, of disobedience to the terms of a will. Add from the inscriptions Sy// 6141 (Cos, dialect, iii/B.c.) αἱ δέ κά τις... ἀπειθῇ, let him be fined, 26. 510 (Ephesus, ii/B.C.) ὡς ἀπειθοῦντα Kal ἐπιβουλεύοντα τοῖς συ(μ) φέρουσι τῆς πόλεως, 20. 737° (ii/A.D., Athens) ἐὰν δὲ ἀπειθῇ πρασσόμενος, he is to be denied entrance to the Bacchium, and similarly 142, 74. 6534° (Andania, B.C. 91) τὸν δὲ ἀπειθοῦντα ἢ ἀπρεπῶς ἀναστρεφόμενον εἰς Td θεῖον μαστιγούντω οἱ ἱεροί, and so #. We have not sought for more instances, but it has seemed desirable to give rather plentiful illustration to prove a case which is very important for doctrine.
Liddell-Scott-Jones — Greek-English Lexicon
ἀπειθέω (apeitheō) — to disobey. ἀπειθ-έω, Attic dialect form of ἀπῐθέω (though even Trag. preferred ἀπιστέω, which see 11), to be disobedient, refuse compliance, [Refs 4th c.BC+]; opposed to πείθομαι, [Refs 5th c.BC+]: frequently with dative, disobey, οὐκ ἀπειθήσας θεῷ[Refs 5th c.BC+]; τὰ μεγάλα ἀ. τινί in great matters, [Refs]; ἀ. ταῖς ἐνεχυρασίαις not to abide by them, [Refs]; ἐντολῶν[LXX]
2. of animals, [Refs 5th c.BC+]; of ships, τοῖς οἴαξιν ἀ.[Refs 1st c.BC+]
3. of a woman, refuse compliance, [Refs 5th c.AD+]