Extended Strong's Greek Lexicon (Abbott-Smith based)
to make futile
Usage: ματαιόω, -ῶ (μάταιος), [in LXX: 4Ki.17:15, Jer.2:5, al. הָבַל, etc. ;] to make vain, foolish: Rom.1:21.† (AS)
Strong's Number
G3154
Language
Greek
Linked Usages
8
Books
6
Strong's G3154 Quick Answer
Strong's G3154 ματαιόω (mataioo) is a Greek Strong's word-study entry. mataioo (mat-ai-oh'-o) v. 1. to render (passively, become) foolish 2. (morally) wicked It has 8 linked Bible usages across 6 books. Visible English usage signals include foolish. Indexed coverage on this page includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.
- Meaning
- mataioo (mat-ai-oh'-o) v. 1. to render (passively, become) foolish 2. (morally) wicked
- Usage
- 8 linked usages
- Books
- 6 indexed books
- Corpus
- New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha
- Usage Words
- foolish
Meaning and Definition
mataioo (mat-ai-oh'-o) v. 1. to render (passively, become) foolish 2. (morally) wicked 3. (specially) idolatrous [from G3152] KJV: become vain Root(s): G3152
Across Lexicons
How independent scholarly lexicons define Strong's G3154. Each definition is shown with its source so you can compare and cite the original reference works.
How Strong's G3154 Is Translated
The English word each shown verse actually uses to render mataioo, 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.
foolish
Romans 1:21
How Strong's G3154 Usage Compares
Indexed coverage includes Septuagint / Greek Old Testament, New Testament, and Deuterocanonical / Apocrypha. 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 Septuagint / Greek Old Testament with 6 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 G3154 (ματαιόω) appears 7 times in the Greek Septuagint — the Old Testament the New Testament authors quoted.
Sample Septuagint occurrences:
- 1 Chronicles 21:8 — ἐματαιώθην
- 1 Kingdoms 13:13 — μεματαίωταί
- 1 Kingdoms 26:21 — μεματαίωμαι
- 4 Kingdoms 17:15 — ἐματαιώθησαν
- Jeremiah 2:5 — ἐματαιώθησαν
Strong's G3154 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 G3154 in the New Testament
1 indexed usage in New Testament.
Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
Strong's G3154 in the Septuagint / Greek Old Testament
6 indexed usages in Septuagint / Greek Old Testament.
And Samuel said to Saul, Thou hast done foolishly; for thou hast not kept my command, which the Lord commanded thee, as now the Lord would have confirmed thy kingdom over Israel forever.
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.
And they kept not any of his testimonies which he charged them; and they walked after vanities, and became vain, and after the nations round about them, concerning which the Lord had charged them not to do accordingly.
Strong's G3154 in the deuterocanonical books / Apocrypha
1 indexed usage in Deuterocanonical / Apocrypha.
For with them we will tread them under foot, and their mountains shall be drunken with their blood, and their fields shall be filled with their dead bodies, and their footsteps shall not be able to stand before us, for they shall utterly perish, saith King Nebuchadnezzar, lord of all the earth: for he said, None of my words shall be in vain.
Usage Excerpts
First 8 linked usage excerpts for Strong's G3154.
And Samuel said to Saul, Thou hast done foolishly; for thou hast not kept my command, which the Lord commanded thee, as now the Lord would have confirmed thy kingdom over Israel forever.
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.
And they kept not any of his testimonies which he charged them; and they walked after vanities, and became vain, and after the nations round about them, concerning which the Lord had charged them not to do accordingly.
And David said to God, I have sinned exceedingly, in that I have done this thing: and now, I pray thee, remove the sin of thy servant; for I have been exceedingly foolish.
Thus saith the Lord, What trespass have your fathers found in me, that they have revolted far from me, and gone after vanities, and become vain?
Thus saith the Lord Almighty, Hearken not to the words of the prophets: for they frame a vain vision for themselves; they speak from their own heart, and not from the mouth of the Lord.
Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
For with them we will tread them under foot, and their mountains shall be drunken with their blood, and their fields shall be filled with their dead bodies, and their footsteps shall not be able to stand before us, for they shall utterly perish, saith King Nebuchadnezzar, lord of all the earth: for he said, None of my words shall be in vain.
All Indexed Usage Links
Every indexed verse link for Strong's G3154, grouped by book.
1 Kingdoms 2 usages, Septuagint / Greek Old Testament
4 Kingdoms 1 usage, Septuagint / Greek Old Testament
1 Chronicles 1 usage, Septuagint / Greek Old Testament
Jeremiah 2 usages, Septuagint / Greek Old Testament
Romans 1 usage, New Testament
Judith 1 usage, Deuterocanonical / Apocrypha
Strong's G3154 FAQ
What does mataioo (ματαιόω) mean?
Mataioo (Strong's G3154) is a Greek word most simply glossed "become vain". mataioo (mat-ai-oh'-o) v. 1. to render (passively, become) foolish 2. (morally) wicked
How many times is mataioo (ματαιόω) used in the Bible?
This page currently indexes 8 linked usages for Strong's G3154 across 6 books.
Where can I study mataioo (ματαιόω) in context?
Use the linked verse references on this page to study Strong's G3154 in context. The indexed coverage includes New Testament, Septuagint / Greek Old Testament, and Deuterocanonical / Apocrypha.
What English words translate mataioo (ματαιόω)?
The visible usage excerpts most often surface English words such as foolish. These are scanning signals from the displayed verses, not replacements for the original-language definition.
Does Strong's G3154 appear in the Septuagint or deuterocanonical books?
Yes. The current local index includes 6 in Septuagint / Greek Old Testament and 1 in Deuterocanonical / Apocrypha for Strong's G3154, with linked reader references where each row is available.