ἄ-πιστος, -ον

(ἀ- neg. πιστός) [in LXX: Pro.17:6 28:25, Isa.17:10 * ;]

__(a) of things, incredible: Act.26:8;

__(b) of persons, without faith or trust, unbelieving: Mat.17:17, Mrk.9:19, Luk.9:41 12:46, Jhn.20:27, Tit.1:15, Rev.21:8; specif. of unbelievers as opposite to Christians: 1Co.6:6 7:12-15 10:27 14:22-24, 2Co.4:4 6:14-15, 1Ti.5:8 (cf. Lft. Notes, 265; Cremer, 491).†

(AS)

incredible; without faith; trust; unbelieving