Lexical Definition

‎πιστός‎ pistós (pis-tos') faithful G:A / G:ADV
from ‎πείθω‎

believe(-ing, -r), faithful(-ly), sure, true.

Usage: 25 forms in 111 verses
Form Translated As     In Verse(s)
πιστῷ a believer 2Cor.6.15
believing Gal.3.9
faithful Col.4.9
to faithful 1Pet.4.19
πιστῶν believers 1Tim.4.12
of believers 1Tim.4.10
πιστῆσ believing Acts.16.1
πιστὸσ faithful Matt.24.45 • Luke.12.42 • Luke.16.10 • Luke.19.17 • 1Cor.1.9 • 1Cor.10.13 • 2Cor.1.18 • Eph.6.21 • Col.1.7 • Col.4.7 • 1Thess.5.24 • 2Thess.3.3 • 1Tim.5.16 • 2Tim.2.13 • Heb.2.17 • Heb.3.5 • Heb.10.23 • Rev.2.10 • Rev.3.14 • Rev.19.11
trustworthy 1Cor.7.25 • 1Tim.1.15 • 1Tim.3.1 • 1Tim.4.9 • 2Tim.2.11 • Titus.3.8
πιστὸν faithful 1Cor.4.17 • Heb.3.2 • Heb.11.11
faithfully 3John.1.5
πιστὴν faithful Acts.16.15
πιστὴ believing 1Tim.5.16
πιστὰσ faithful 1Tim.3.11
πιστών of trustworthy LXX.Job.12.20
πιστώ a trustworthy LXX.Isa.22.23 • LXX.Isa.22.25
πιστόσ Samuel trustworthy LXX.1Sam.3.20
a trustworthy LXX.2Sam.23.1 • LXX.Prov.14.5 • LXX.Prov.14.25 • LXX.Prov.25.13
believing John.20.27
but trustworthy LXX.Prov.11.13
faithful Matt.25.21 • Matt.25.23 • Luke.16.10 • 1Cor.4.2 • 1John.1.9 • Rev.1.5 • Rev.2.13
he is trustworthy LXX.Num.12.7
he was trustworthy LXX.Dan.6.4
is trustworthy LXX.Isa.49.7
trustworthy LXX.Deut.32.4 • LXX.1Sam.22.14 • LXX.2Sam.23.1 • LXX.Job.17.9 • LXX.Ps.89.37 • LXX.Ps.145.13
trustworthy God LXX.Deut.7.9
πιστόν a sure LXX.1Kgs.11.38
a trustworthy LXX.1Sam.2.35 • LXX.1Sam.2.35 • LXX.1Sam.25.28 • LXX.Prov.11.21 • LXX.Prov.20.6
faithful 1Tim.1.12
trustworthy LXX.Prov.2.12 • LXX.Isa.33.16 • LXX.Jer.42.5
πιστοῦ faithful 1Pet.5.12
of faithful Titus.1.9
πιστοῖσ faithful Eph.1.1 • Col.1.2 • 1Tim.4.3
to faithful 2Tim.2.2
πιστοὺσ believing 1Tim.6.2 • 1Pet.1.21
πιστοὶ believers Acts.10.45
faithful Luke.16.11 • Luke.16.12 • Rev.21.5 • Rev.22.6
πιστούσ of trustworthy LXX.Isa.8.2
trustworthy LXX.Ps.101.6
πιστού trustworthy LXX.Prov.17.6
πιστοί believing 1Tim.6.2
faithful Rev.17.14
trustworthy LXX.Neh.13.13
πισταί trustworthy LXX.Ps.111.7
πιστήν trustworthy LXX.Neh.9.8
πιστή trustworthy LXX.Ps.19.7 • LXX.Ps.89.28 • LXX.Isa.1.21 • LXX.Isa.1.26 • LXX.Dan.2.45
πιστέ faithful Matt.25.21 • Matt.25.23
πιστάσ sure LXX.Deut.28.59
πιστά Trustworthy LXX.Prov.17.7 • LXX.Hos.5.9
believing Titus.1.6
sure ’ Acts.13.34
trustworthy ones LXX.Isa.55.3

Abbott-Smith

πιστός, -ή, -όν (< πείθω), [in LXX chiefly for נֶאֱמָן;]
I. Pass., to be trusted or believed;
1. of persons, trusty, faithful: Mt 24:45 25:21, 23, Lk 12:42, Ac 16:15, I Co 4:2, 17 7:25, Eph 1:1 6:21, Col 1:2, 7 4:7, 9, I Ti 1:12, II Ti 2:2, He 2:17 3:2, 5, I Pe 5:12, Re 2:13 19:11; of God, I Co 1:9 10:13, II Co 1:18, I Th 5:24, II Th 3:3, He 10:23 11:11, II Ti 2:13, I Jo 1:9, I Pe 4:19; seq. ἐν, Lk 16:10-12 19:17, I Ti 3:11; ἐπί, c. acc., Mt 25:23; ἄχρι θανάτου, Re 2:10; ὁ μάρτυς ὁ π., Re 1:5; id. καὶ ἀληθινός, Re 3:14.
2. Of things, trustworthy, reliable, sure: Ac 13:34, I Ti 1:15 3:1 4:9, II Ti 2:11, Tit 1:9 3:8, Re 21:5 22:6.
II. Act., believing, trusting, relying: Ac 16:1, II Co 6:15, Ga 3:9, I Ti 4:10 5:16 6:2, Tit 1:6, Re 17:14; pl., Ac 10:45, I Ti 4:3, 12; opp. to ἄπιστος, Jo 20:27; π. εἰς θεόν, I Pe 1:21; π. ποιεῖν, III Jo 5. (On the difficulty of choosing in some cases between the active and the passive meaning, v. Lft., Gal., 157.)†

Abbott-Smith References

Book Refs
Matthew 24:45 · 25:21 · 25:23
Luke 12:42 · 16:10 · 19:17
John 20:27
Acts 10:45 · 13:34 · 16:1 · 16:15
1 Corinthians 1:9 · 4:2 · 4:17 · 7:25 · 10:13
2 Corinthians 1:18 · 6:15
Galatians 3:9
Ephesians 1:1 · 6:21
Colossians 1:2 · 1:7 · 4:7 · 4:9
1 Thessalonians 5:24
2 Thessalonians 3:3
1 Timothy 1:12 · 1:15 · 3:1 · 3:11 · 4:3 · 4:9 · 4:10 · 4:12 · 5:16 · 6:2
2 Timothy 2:2 · 2:11 · 2:13
Titus 1:6 · 1:9 · 3:8
Hebrews 2:17 · 3:2 · 3:5 · 10:23 · 11:11
1 Peter 1:21 · 4:19 · 5:12
1 John 1:9
3 John 1:5
Revelation 1:5 · 2:10 · 2:13 · 3:14 · 17:14 · 19:11 · 21:5 · 22:6

Liddell-Scott-Jones

πιστός, ή, όν,

(πείθω):

__B passive, to be trusted or believed:
__B.I of persons, faithful, trusty, ἑταῖρος [Refs 8th c.BC+]: comparative -ότερος [Refs 5th c.BC+]: superlative πιστότατος [Refs 8th c.BC+] a trusted friend of P., Ergias cited in [Refs 4th c.BC+]; οἱ πιστοί, in Persia, trusty councillors, [Refs 5th c.BC+]; τάδε Περσῶν πιστὰ καλεῖται [Refs 4th c.BC+]
__B.I.2 trustworthy, worthy of credit, [Refs 5th c.BC+]. adverb, - τῶς καὶ ἀδόλως [Refs]
__B.I.3 genuine, π. Ἀταλάντης γόνος [Refs 5th c.BC+]; Θηρικλέους π. τέκνον, of a cup, [Refs 5th c.BC+]; unmistakable, νόσοι πονηραὶ καὶ π. [LXX]
__B.II of things, trustworthy, sure, ὅρκια π. [Refs 8th c.BC+]; τέκμαρ τῶνδε, τεκμήρια, μαντεῖα, [Refs 5th c.BC+]; οὐκέτι πιστὰ γυναιξίν no longer can one trust women, [Refs 8th c.BC+]; οὐκ ἔχοντες τὴν ἐλπίδα.. πιστὴν ἔτι no longer having such hope as could be relied on, [Refs 5th c.BC+]; ὑπόληψις ἡ πιστοτάτη, of knowledge, [Refs 4th c.BC+]
__B.II.2 deserving belief, credible, π. καὶ οἰκότα [Refs 5th c.BC+]; πιθανὸν καὶ π. [Refs]
__B.III πιστόν, τό, as substantive, pledge, security, warrant, τὸ π. τῆς ἀληθείας [Refs 5th c.BC+] its honesty, [Refs]; τὸ π. ἔχοντες.. κἂν περιγενέσθαι feeling confidence that.., [Refs 5th c.BC+]; πιστὰ θεῶν, of oaths, [Refs 5th c.BC+]; ἐδώκαμεν καὶ ἐλάβομεν πιστά we gave and received pledges, with future infinitive, [Refs 5th c.BC+]
__B active, believing, relying on, τινι [Refs 6th c.BC+]; trustful, τῆς ἐλευθερίας τὸ π. [Refs 5th c.BC+]
__B.2 obedient, loyal, τὴν τῶν Ἀθηναίων χώραν οἰκείαν καὶ π. ποιήσασθαι [Refs 5th c.BC+]
__B.3 faithful, believing, [NT]
__C adverb πιστῶς with good faith, μὴ π. καταμαρτυρηθείς [Refs 5th c.BC+]; loyally, [Refs 4th c.BC+]: comparative -οτέρως [Refs 4th c.BC+]
__C.2 persuasively, in comparative, πιστότερον ἢ ἀληθέστερον [Refs 5th c.BC+]; credibly, demonstrably, [Refs 5th c.BC+]; unmistakably, κριθῆναι [Refs 2nd c.AD+]
__C.3 with disposition to believe, [Refs 4th c.BC+]: comparative, πιστότερον πρὸς ἐκείνους ἢ πρὸς ὑμᾶς αὐτοὺς διακείμενοι [Refs 5th c.BC+]

LSJ Scripture Refs: LXX.Deut.28.59 ☩ Acts.16.1