Lexical Definition

‎ἀπειθέω‎ apeithéō (ap-i-theh'-o) to disobey ^G:V
from ‎ἀπειθής‎

not believe, disobedient, obey not, unbelieving.

• to disbelieve (wilfully and perversely)

Abbott-Smith

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).†

Abbott-Smith References

Liddell-Scott-Jones

ἀπειθέω-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 ἀπειθέωήσας 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+]

_{LSJ Scripture Refs: LXX.Josh.5.6}