Dictionary entry

ἀπιστία

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

** ἀπιστία, -ας, ἡ

(< ἄπιστος), [in LXX: Wi 14:25, IV Mac 12:4*;]

want of faith, unbelief: Mt 13:58, Mk 6:6 9:24 16:14, Ro 3:3 (but v.s. ἀπιστέω) Ro 4:20 11:20, 23, I Ti 1:13, He 3:12, 19 (DCG, ii, 775^a; Cremer, 492).†