Definition:
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)
Definition:
ἄπιστος, ον,
I)
passive,
not to be trusted, and so:
I.1) of persons and their acts,
not trusty, faithless, ὑπερφίαλοι καὶ ἄ.[
Refs 8th c.BC+]; δολοπλοκίαι[
Refs 6th c.BC+]
mistrusted, [
Refs 5th c.BC+]; θράσει ἀ. ἐπαιρόμενος by
untrustworthy, groundless confidence, [
Refs 5th c.BC+];
shifty, unreliable, [
Refs 5th c.BC+]
I.2) of reports and the like,
incredible, uncertain in [
Refs 7th c.BC+]; τὸ ἐλπίδων ἄ.
undreamed of even in hope, [
Refs 5th c.BC+]:
comparative -ότερος, λόγος[
Refs 4th c.BC+]:
superlative, πίστις ἀπιστοτάτη[
Refs 5th c.BC+]
II)
active,
mistrustful, incredulous, suspicious, θυμὸς δέ τοι αἰὲν ἄ.[
Refs 8th c.BC+]
less credulous, [
Refs 5th c.BC+]; ἄ. πρὸς Φίλιππον
distrustful towards him, [
Refs 4th c.BC+]; ἄ. εἶ. σαυτῷ you do
not believe what you say yourself, [
Refs 5th c.BC+]; τὸ ἄ, ={ἀπιστία}, [
Refs 5th c.BC+]
II.b) in
NT, unbelieving, [
NT]
II.2)
disobedient, disloyal, [
Refs 5th c.BC+]; ἔχειν ἄπιστον. ἀναρχίαν πόλει, i.e. ἀναρχίαν ἔχειν ἀπειθοῦσαν τῇ πόλει,[
Refs 5th c.BC+]
III)
adverb ἀπίστως:
III.1)
passive,
beyond belief, ἀ. ἐπὶ τὸ μυθῶδες ἐκνενικηκότα[
Refs 5th c.BC+]; οὐκ ἀ. not
incredibly, [
Refs 4th c.BC+]
III.2)
active,
distrustfully, suspiciously, [
Refs 5th c.BC+]
III.2.b)
treacherously, [
Refs 1st c.AD+]
Definition:
(actively) disbelieving, i.e. without Christian faith (specially, a heathen); (passively) untrustworthy (person), or incredible (thing); that believeth not, faithless, incredible thing, infidel, unbeliever(-ing); from
g1 (Α) (as a negative particle) and
g4103 (πιστός);