Template:571

571 ἄπιστος apistos [ap’-is-tos] from 1 (as a negative particle) and 4103 pistos; adj; TDNT-6:174,849; [{See TDNT 634 }] AV-that believe not 6, unbelieving 5, faithless 4, unbeliever 4, infidel 2, thing incredible 1, which believe not 1; 23

1) unfaithful, faithless, (not to be trusted, perfidious)

2) incredible

2a) of things

3) unbelieving, incredulous

3a) without trust (in God)