G0543
ἀπείθεια
disobedience
ἀπείθεια (WH, -θία, exc. Heb.11:1-40. with), -ας, ἡ (ἀπειθής), [in LXX 4Ma.8:9 4Mac 8:18 4Mac 12:4 * ;] disobedience (MM, VGT, see word): Rom.11:30, 32, Heb.4:6, 11; υἱοὶ τῆς ἀ. (genitive of definition, see M, Pr., 73 f.), Eph.2:2 5:6, Col.3:6 (T, WH R, mg., omit).† (AS)
Full Thayer's lexicon entry
ἀπείθεια — apeítheia
ἀπείθεια (WH ἀπειθια, except in Heb. as below (see Iota)), ἀπειθας, ἡ (ἀπειθής), disobedience (Jerome,inobedientia), obstinacy, and in the N. T. particularly obstinate opposition to the divine will: Rom 11:30; Rom 11:32; Heb 4:6; Heb 4:11; υἱοί τῆς ἀπειθείας, those who are animated by this obstinacy (see υἱός, 2), used of the Gentiles: Eph 2:2; Eph 5:6; Col 3:6 (R G L brackets). (Xenophon, mem. 3, 5, 5; Plutarch, others.)
7 occurrences
Romans (2), Ephesians (2), Colossians (1), Hebrews (2)