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Strong's Concordance
Greek Word Study

Strong's G50 ἀγνοέω (agnoeo)

Agnoeo means “not know” — full meaning, definition, and every linked Bible usage across the indexed canon.

Same number, other testament: Strong's H50 — abishua in the Hebrew Bible.

Strong's Number G50
Language Greek
Linked Usages 41
Books 22

Strong's G50 Quick Answer

Strong's G50 ἀγνοέω (agnoeo) is a Greek Strong's word-study entry. agnoeo (ag-no-eh'-o) v. 1. not to know (through lack of information or intelligence) 2. (by implication) to ignore (through dislike, disinterest, or unwillingness) It has 41 linked Bible usages across 22 books. Visible English usage signals include know, knowing, and through. Indexed coverage on this page includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.

Meaning
agnoeo (ag-no-eh'-o) v. 1. not to know (through lack of information or intelligence) 2. (by implication) to ignore (through dislike, disinterest, or unwillingness)
Usage
41 linked usages
Books
22 indexed books
Corpus
New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha
Usage Words
know, knowing, and through

Meaning and Definition

agnoeo (ag-no-eh'-o) v. 1. not to know (through lack of information or intelligence) 2. (by implication) to ignore (through dislike, disinterest, or unwillingness) [from G1 (as a negative particle) and G3539] KJV: (be) ignorant(-ly), not know, not understand, unknown Root(s): G1, G3539

Original Word
ἀγνοέω
Transliteration
agnoeo
Derivation
Root: νοιέω R1: 1 R2: 3539
Morphology
verb

Across Lexicons

How independent scholarly lexicons define Strong's G50. 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)

be ignorant

Usage: ἀγνοέω, -ῶ (> ἁγνίζω), [in LXX for שָׁגָה, שָׁגַג, אָשַׁם, etc. ;] __1. to be ignorant, not to know: absol., Ι Ti 1:13, Heb.5:2; with accusative, Act.13:27 17:23, Rom.10:3, 2Co.2:11; ἐν οἷς, 2Pe.2:12; before ὅτι, Rom.2:4 6:3 7:1, 1Co.14:38; οὐ θέλω ὑμᾶς ἀγνοεῖν, a Pauline phrase: with accusative, Rom.11:25; before ὑπέρ, 2Co.1:8; περί, 1Co.12:1, 1Th.4:13. ὅτι, Rom.1:13, 1Co.10:1 (for similar usage in π., V. MM, VGT, see word). Pass.: 1Co.14:38, 2Co.6:9, Gal.1:22. __2.

not to understand: with accusative, Mrk.9:32, Luk.9:45. † (AS)

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How Strong's G50 Is Translated

The English word each shown verse actually uses to render agnoeo, 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.

Know Romans 6:3 knowing Romans 2:4 through 1 Corinthians 10:1

How Strong's G50 Usage Compares

Indexed coverage includes New Testament, Deuterocanonical / Apocrypha, 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.
  • Deuterocanonical / Apocrypha rows are counted separately so readers can decide how those texts relate to the main word study.

In the Septuagint (LXX)

Strong's G50 (ἀγνοέω) appears 20 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 G50 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 G50 in the New Testament

21 indexed usages in New Testament.

Mark 9:32 KJV

But they understood not that saying, and were afraid to ask him.

Luke 9:45 KJV

But they understood not this saying, and it was hid from them, that they perceived it not: and they feared to ask him of that saying.

Acts 13:27 KJV

For they that dwell at Jerusalem, and their rulers, because they knew him not, nor yet the voices of the prophets which are read every sabbath day, they have fulfilled them in condemning him.

Strong's G50 in the Septuagint / Greek Old Testament

8 indexed usages in Septuagint / Greek Old Testament.

Genesis 20:4 Septuagint / Brenton

But Abimelech had not touched her, and he said, Lord, wilt thou destroy an ignorantly sinning and just nation?

Leviticus 4:13 Septuagint / Brenton

And if the whole congregation of Israel trespass ignorantly, and a thing should escape the notice of the congregation, and they should do one thing forbidden of any of the commands of the Lord, which ought not to be done, and should transgress:

Leviticus 5:18 Septuagint / Brenton

he shall even bring a ram without blemish from the flock, valued at a price of silver for his transgression to the priest; and the priest shall make atonement for his trespass of ignorance, wherein he ignorantly trespassed, and he knew it not; and it shall be forgiven him.

Strong's G50 in the deuterocanonical books / Apocrypha

12 indexed usages in Deuterocanonical / Apocrypha.

2 Maccabees 11:31 Septuagint / Brenton

And the Jews shall use their own kind of meats and laws, as before: and none of them any manner of ways shall be molested for things ignorantly done.

3 Maccabees 3:9 Septuagint / Brenton

He who knoweth all things, will not, said they, disregard so great a people.

4 Maccabees 10:2 Septuagint / Brenton

But he cried out and said, Know ye not, that the father of those who are dead, begot me also; and that the same mother bare me; and that I was brought up in the same tenets?

Usage Excerpts

First 41 linked usage excerpts for Strong's G50.

Genesis 20:4 Septuagint / Greek Old Testament, Septuagint / Brenton
But Abimelech had not touched her, and he said, Lord, wilt thou destroy an ignorantly sinning and just nation?
Leviticus 4:13 Septuagint / Greek Old Testament, Septuagint / Brenton
And if the whole congregation of Israel trespass ignorantly, and a thing should escape the notice of the congregation, and they should do one thing forbidden of any of the commands of the Lord, which ought not to be done, and should transgress:
Leviticus 5:18 Septuagint / Greek Old Testament, Septuagint / Brenton
he shall even bring a ram without blemish from the flock, valued at a price of silver for his transgression to the priest; and the priest shall make atonement for his trespass of ignorance, wherein he ignorantly trespassed, and he knew it not; and it shall be forgiven him.
Numbers 12:11 Septuagint / Greek Old Testament, Septuagint / Brenton
And Aaron said to Moses, I beseech thee, my lord, do not lay sin upon us, for we were ignorant wherein we sinned.
1 Kingdoms 14:24 Septuagint / Greek Old Testament, Septuagint / Brenton
And Saul committed a great trespass of ignorance in that day, and he lays a curse on the people, saying, Cursed is the man who shall eat bread before the evening; so I will avenge myself on my enemy: and none of the people tasted bread, though all the land was dining.
1 Kingdoms 26:21 Septuagint / Greek Old Testament, Septuagint / Brenton
And Saul said, I have sinned: turn, son David, for I will not hurt thee, because my life was precious in thine eyes; and today I have been foolish and have erred exceedingly.
2 Chronicles 16:9 Septuagint / Greek Old Testament, Septuagint / Brenton
For the eyes of the Lord look upon all the earth, to strengthen every heart that is perfect toward him. In this thou hast done foolishly; henceforth there shall be war with thee.
Hosea 4:15 Septuagint / Greek Old Testament, Septuagint / Brenton
But thou, Israel, be not ignorant, and go ye not, men of Judah, to Gilgal; and go not up to the house of Aven, and swear not by the living Lord.
Mark 9:32 New Testament, KJV
But they understood not that saying, and were afraid to ask him.
Luke 9:45 New Testament, KJV
But they understood not this saying, and it was hid from them, that they perceived it not: and they feared to ask him of that saying.
Acts 13:27 New Testament, KJV
For they that dwell at Jerusalem, and their rulers, because they knew him not, nor yet the voices of the prophets which are read every sabbath day, they have fulfilled them in condemning him.
Acts 17:23 New Testament, KJV
For as I passed by, and beheld your devotions, I found an altar with this inscription, TO THE UNKNOWN GOD. Whom therefore ye ignorantly worship, him declare I unto you.
Romans 1:13 New Testament, KJV
Now I would not have you ignorant, brethren, that oftentimes I purposed to come unto you, (but was let hitherto,) that I might have some fruit among you also, even as among other Gentiles.
Romans 2:4 New Testament, KJV
Or despisest thou the riches of his goodness and forbearance and longsuffering; not knowing that the goodness of God leadeth thee to repentance?
Romans 6:3 New Testament, KJV
Know ye not, that so many of us as were baptized into Jesus Christ were baptized into his death?
Romans 7:1 New Testament, KJV
Know ye not, brethren, (for I speak to them that know the law,) how that the law hath dominion over a man as long as he liveth?
Romans 10:3 New Testament, KJV
For they being ignorant of God's righteousness, and going about to establish their own righteousness, have not submitted themselves unto the righteousness of God.
Romans 11:25 New Testament, KJV
For I would not, brethren, that ye should be ignorant of this mystery, lest ye should be wise in your own conceits; that blindness in part is happened to Israel, until the fulness of the Gentiles be come in.
1 Corinthians 10:1 New Testament, KJV
Moreover, brethren, I would not that ye should be ignorant, how that all our fathers were under the cloud, and all passed through the sea;
1 Corinthians 12:1 New Testament, KJV
Now concerning spiritual gifts, brethren, I would not have you ignorant.
2 Corinthians 1:8 New Testament, KJV
For we would not, brethren, have you ignorant of our trouble which came to us in Asia, that we were pressed out of measure, above strength, insomuch that we despaired even of life:
2 Corinthians 2:11 New Testament, KJV
Lest Satan should get an advantage of us: for we are not ignorant of his devices.
2 Corinthians 6:9 New Testament, KJV
As unknown, and yet well known; as dying, and, behold, we live; as chastened, and not killed;
Galatians 1:22 New Testament, KJV
And was unknown by face unto the churches of Judaea which were in Christ:
1 Thessalonians 4:13 New Testament, KJV
But I would not have you to be ignorant, brethren, concerning them which are asleep, that ye sorrow not, even as others which have no hope.
1 Timothy 1:13 New Testament, KJV
Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief.
Hebrews 5:2 New Testament, KJV
Who can have compassion on the ignorant, and on them that are out of the way; for that he himself also is compassed with infirmity.
2 Peter 2:12 New Testament, KJV
But these, as natural brute beasts, made to be taken and destroyed, speak evil of the things that they understand not; and shall utterly perish in their own corruption;
2 Maccabees 11:31 Deuterocanonical / Apocrypha, Septuagint / Brenton
And the Jews shall use their own kind of meats and laws, as before: and none of them any manner of ways shall be molested for things ignorantly done.
3 Maccabees 3:9 Deuterocanonical / Apocrypha, Septuagint / Brenton
He who knoweth all things, will not, said they, disregard so great a people.
4 Maccabees 10:2 Deuterocanonical / Apocrypha, Septuagint / Brenton
But he cried out and said, Know ye not, that the father of those who are dead, begot me also; and that the same mother bare me; and that I was brought up in the same tenets?
4 Maccabees 13:19 Deuterocanonical / Apocrypha, Septuagint / Brenton
Now you are not ignorant of the charm of brotherhood, which the Divine and all-wise Providence has imparted through fathers to children, and has engendered through the mother’s womb.
Wisdom of Solomon 5:12 Deuterocanonical / Apocrypha, Septuagint / Brenton
Or like as when an arrow is shot at a mark, It parteth the air, which immediately cometh together again, So that a man cannot know where it went through:
Wisdom of Solomon 7:12 Deuterocanonical / Apocrypha, Septuagint / Brenton
And I rejoiced in them all, because wisdom goeth before them: And I knew not that she was the mother of them.
Wisdom of Solomon 12:10 Deuterocanonical / Apocrypha, Septuagint / Brenton
But executing thy judgments upon them by little and little, thou gavest them place of repentance, Not being ignorant that they were a naughty generation, And that their malice was bred in them, And that their cogitation would never be changed.
Wisdom of Solomon 14:18 Deuterocanonical / Apocrypha, Septuagint / Brenton
Also the singular diligence of the artificer Did help to set forward the ignorant to more superstition.
Wisdom of Solomon 15:11 Deuterocanonical / Apocrypha, Septuagint / Brenton
Forasmuch as he knew not his Maker, And him that inspired into him an active soul, And breathed in a living spirit.
Wisdom of Solomon 18:19 Deuterocanonical / Apocrypha, Septuagint / Brenton
For the dreams that troubled them did foreshow this, Lest they should perish, and not know why they were afflicted.
Wisdom of Solomon 19:14 Deuterocanonical / Apocrypha, Septuagint / Brenton
For the Sodomites did not receive those, whom they knew not when they came: But these brought friends into bondage, that had well deserved of them.
Wisdom of Sirach 5:15 Deuterocanonical / Apocrypha, Septuagint / Brenton
Be not ignorant of anything in a great matter or a small.

All Indexed Usage Links

Every indexed verse link for Strong's G50, grouped by book.

Genesis 1 usage, Septuagint / Greek Old Testament
Leviticus 2 usages, Septuagint / Greek Old Testament
Numbers 1 usage, Septuagint / Greek Old Testament
1 Kingdoms 2 usages, Septuagint / Greek Old Testament
2 Chronicles 1 usage, Septuagint / Greek Old Testament
Hosea 1 usage, Septuagint / Greek Old Testament
Mark 1 usage, New Testament
Luke 1 usage, New Testament
Acts 2 usages, New Testament
Romans 6 usages, New Testament
1 Corinthians 3 usages, New Testament
2 Corinthians 3 usages, New Testament
Galatians 1 usage, New Testament
1 Thessalonians 1 usage, New Testament
1 Timothy 1 usage, New Testament
Hebrews 1 usage, New Testament
2 Peter 1 usage, New Testament
2 Maccabees 1 usage, Deuterocanonical / Apocrypha
3 Maccabees 1 usage, Deuterocanonical / Apocrypha
4 Maccabees 2 usages, Deuterocanonical / Apocrypha
Wisdom of Solomon 7 usages, Deuterocanonical / Apocrypha
Wisdom of Sirach 1 usage, Deuterocanonical / Apocrypha

Strong's G50 FAQ

What does agnoeo (ἀγνοέω) mean?

Agnoeo (Strong's G50) is a Greek word most simply glossed "not know". agnoeo (ag-no-eh'-o) v. 1. not to know (through lack of information or intelligence) 2. (by implication) to ignore (through dislike, disinterest, or unwillingness)

How many times is agnoeo (ἀγνοέω) used in the Bible?

This page currently indexes 41 linked usages for Strong's G50 across 22 books.

Where can I study agnoeo (ἀγνοέω) in context?

Use the linked verse references on this page to study Strong's G50 in context. The indexed coverage includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.

What English words translate agnoeo (ἀγνοέω)?

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

Does Strong's G50 appear in the Septuagint or deuterocanonical books?

Yes. The current local index includes 8 in Septuagint / Greek Old Testament and 12 in Deuterocanonical / Apocrypha for Strong's G50, with linked reader references where each row is available.