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The Historic Faith
Strong's Concordance
Greek Word Study

Strong's G571 ἄπιστος (apistos)

Apistos means “that believeth not” — full meaning, definition, and every linked Bible usage across the indexed canon.

Same number, other testament: Strong's H571 — emeth (“truth”) in the Hebrew Bible.

Strong's Number G571
Language Greek
Linked Usages 23
Books 12

Strong's G571 Quick Answer

Strong's G571 ἄπιστος (apistos) is a Greek Strong's word-study entry. apistos (ap'-is-tos) adj. 1. (actively) disbelieving, i.e. without Christian faith 2. (specially) a heathen It has 23 linked Bible usages across 12 books. Visible English usage signals include faith. Indexed coverage on this page includes New Testament and Septuagint / Greek Old Testament.

Meaning
apistos (ap'-is-tos) adj. 1. (actively) disbelieving, i.e. without Christian faith 2. (specially) a heathen
Usage
23 linked usages
Books
12 indexed books
Corpus
New Testament and Septuagint / Greek Old Testament
Usage Words
faith

Meaning and Definition

apistos (ap'-is-tos) adj. 1. (actively) disbelieving, i.e. without Christian faith 2. (specially) a heathen 3. (passively) untrustworthy (person) or unbelievable, incredible (thing) [from G1 (as a negative particle) and G4103] KJV: that believeth not, faithless, incredible thing, infidel, unbeliever(-ing) Root(s): G1, G4103

Original Word
ἄπιστος
Transliteration
apistos
Derivation
Root: πιστός R1: 1 R2: 4103
Morphology
adjective

Across Lexicons

How independent scholarly lexicons define Strong's G571. Each definition is shown with its source so you can compare and cite the original reference works.

Extended Strong's Greek Lexicon (Abbott-Smith based)

unbelieving

Usage: 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)

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How Strong's G571 Is Translated

The English word each shown verse actually uses to render apistos, taken from the interlinear word alignment (the same word underlined in the excerpts below). Where a rendering is used more than once, the count is shown.

How Strong's G571 Usage Compares

Indexed coverage includes New Testament and Septuagint / Greek Old Testament. Each section below keeps corpus counts and sample passages visible so readers can compare the word across contexts instead of reading one flat concordance list.

  • The largest indexed corpus on this page is New Testament with 21 linked usages.
  • This page lets readers compare New Testament usage with Septuagint / Greek Old Testament usage, which is a key THF advantage over narrower Strong's pages.

In the Septuagint (LXX)

Strong's G571 (ἄπιστος) appears 3 times in the Greek Septuagint — the Old Testament the New Testament authors quoted.

Sample Septuagint occurrences:

Read the full Greek Septuagint interlinear with Strong's →

Strong's G571 by Corpus

Indexed usage grouped by testament and extended corpus so readers can compare this word across the Bible, Septuagint, deuterocanonical books, and 1 Enoch where present.

Strong's G571 in the New Testament

21 indexed usages in New Testament.

Matthew 17:17 KJV

Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him hither to me.

Mark 9:19 KJV

He answereth him, and saith, O faithless generation, how long shall I be with you? how long shall I suffer you? bring him unto me.

Luke 9:41 KJV

And Jesus answering said, O faithless and perverse generation, how long shall I be with you, and suffer you? Bring thy son hither.

Strong's G571 in the Septuagint / Greek Old Testament

2 indexed usages in Septuagint / Greek Old Testament.

Proverbs 17:6 Septuagint / Brenton

Children’s children are the crown of old men; And their fathers are the glory of children. But the faithless not even a farthing.

Isaiah 17:10 Septuagint / Brenton

Because thou hast forsaken God thy Savior, and hast not been mindful of the Lord thy helper; therefore shalt thou plant a false plant, and a false seed.

Usage Excerpts

First 23 linked usage excerpts for Strong's G571.

Proverbs 17:6 Septuagint / Greek Old Testament, Septuagint / Brenton
Children’s children are the crown of old men; And their fathers are the glory of children. But the faithless not even a farthing.
Isaiah 17:10 Septuagint / Greek Old Testament, Septuagint / Brenton
Because thou hast forsaken God thy Savior, and hast not been mindful of the Lord thy helper; therefore shalt thou plant a false plant, and a false seed.
Matthew 17:17 New Testament, KJV
Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him hither to me.
Mark 9:19 New Testament, KJV
He answereth him, and saith, O faithless generation, how long shall I be with you? how long shall I suffer you? bring him unto me.
Luke 9:41 New Testament, KJV
And Jesus answering said, O faithless and perverse generation, how long shall I be with you, and suffer you? Bring thy son hither.
Luke 12:46 New Testament, KJV
The lord of that servant will come in a day when he looketh not for him, and at an hour when he is not aware, and will cut him in sunder, and will appoint him his portion with the unbelievers.
John 20:27 New Testament, KJV
Then saith he to Thomas, Reach hither thy finger, and behold my hands; and reach hither thy hand, and thrust it into my side: and be not faithless, but believing.
Acts 26:8 New Testament, KJV
Why should it be thought a thing incredible with you, that God should raise the dead?
1 Corinthians 6:6 New Testament, KJV
But brother goeth to law with brother, and that before the unbelievers.
1 Corinthians 7:12 New Testament, KJV
But to the rest speak I, not the Lord: If any brother hath a wife that believeth not, and she be pleased to dwell with him, let him not put her away.
1 Corinthians 7:13 New Testament, KJV
And the woman which hath an husband that believeth not, and if he be pleased to dwell with her, let her not leave him.
1 Corinthians 7:14 New Testament, KJV
For the unbelieving husband is sanctified by the wife, and the unbelieving wife is sanctified by the husband: else were your children unclean; but now are they holy.
1 Corinthians 7:15 New Testament, KJV
But if the unbelieving depart, let him depart. A brother or a sister is not under bondage in such cases: but God hath called us to peace.
1 Corinthians 10:27 New Testament, KJV
If any of them that believe not bid you to a feast, and ye be disposed to go; whatsoever is set before you, eat, asking no question for conscience sake.
1 Corinthians 14:22 New Testament, KJV
Wherefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them which believe.
1 Corinthians 14:23 New Testament, KJV
If therefore the whole church be come together into one place, and all speak with tongues, and there come in those that are unlearned, or unbelievers, will they not say that ye are mad?
1 Corinthians 14:24 New Testament, KJV
But if all prophesy, and there come in one that believeth not, or one unlearned, he is convinced of all, he is judged of all:
2 Corinthians 4:4 New Testament, KJV
In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.
2 Corinthians 6:14 New Testament, KJV
Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?
2 Corinthians 6:15 New Testament, KJV
And what concord hath Christ with Belial? or what part hath he that believeth with an infidel?
1 Timothy 5:8 New Testament, KJV
But if any provide not for his own, and specially for those of his own house, he hath denied the faith, and is worse than an infidel.
Titus 1:15 New Testament, KJV
Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.
Revelation 21:8 New Testament, KJV
But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.

All Indexed Usage Links

Every indexed verse link for Strong's G571, grouped by book.

Proverbs 1 usage, Septuagint / Greek Old Testament
Isaiah 1 usage, Septuagint / Greek Old Testament
Matthew 1 usage, New Testament
Mark 1 usage, New Testament
Luke 2 usages, New Testament
John 1 usage, New Testament
Acts 1 usage, New Testament
1 Corinthians 9 usages, New Testament
2 Corinthians 3 usages, New Testament
1 Timothy 1 usage, New Testament
Titus 1 usage, New Testament
Revelation 1 usage, New Testament

Strong's G571 FAQ

What does apistos (ἄπιστος) mean?

Apistos (Strong's G571) is a Greek word most simply glossed "that believeth not". apistos (ap'-is-tos) adj. 1. (actively) disbelieving, i.e. without Christian faith 2. (specially) a heathen

How many times is apistos (ἄπιστος) used in the Bible?

This page currently indexes 23 linked usages for Strong's G571 across 12 books.

Where can I study apistos (ἄπιστος) in context?

Use the linked verse references on this page to study Strong's G571 in context. The indexed coverage includes New Testament and Septuagint / Greek Old Testament.

What English words translate apistos (ἄπιστος)?

The visible usage excerpts most often surface English words such as faith. These are scanning signals from the displayed verses, not replacements for the original-language definition.

Does Strong's G571 appear in the Septuagint or deuterocanonical books?

Yes. The current local index includes 2 in Septuagint / Greek Old Testament for Strong's G571, with linked reader references where each row is available.