Greek word · G3539
νοέω
noeō
to understand
To perceive with the mind, understand, grasp, consider, conceive. It is linked to nous (mind). It is about mental grasp, not fantasy.
Appears 14 times in 14 verses of the Greek New Testament. ·
What it means
νοιεω νοέω, -ῶ
(νοῦς), [in LXX chiefly for בִּין, also for שָׂכַל hi., etc ;]
1. to perceive with the mind, understand (for the phrase νοῶν κ. φρονῶν, in wills, see MM, xvii): absol., Matthew 16:9, Mark 8:17; with accusative, Ephesians 3:4, 1 Timothy 1:7; with dative instr., τ. καρδίᾳ, John 12:40; pass., Romans 1:20; before ὅτι, Matthew 15:17 16:11, Mark 7:18; with accusative and inf., Hebrews 11:8.
2. to think, consider: absol., Matthew 24:15, Mark 13:14, Ephesians 3:20; with accusative of thing(s), 2 Timothy 2:7
(cf. -εὐ, κατα-, μετα-, προ-, ὑπο-νοέω).†
(AS)
From G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), via STEPBible.org (CC BY 4.0).
In depth
From the study of Ephesians 3:20
- Range of meaning
To perceive with the mind, understand, grasp, consider, conceive. It is linked to nous (mind). It is about mental grasp, not fantasy.
- Against the English
KJV/ESV "think" is accurate if "think" means "conceive of". NIV/BSB "imagine" is a fair rendering, but for modern ears it leans toward daydreams and personal wishes.
- How it drifted
Modern English "imagine" has picked up the sense of creative dreaming ("imagine your future"), which differs a little from the Greek's "what the mind can grasp".
- Used elsewhere in the period
Elsewhere in Paul: "his invisible attributes… are clearly perceived (nooumena)" (Romans 1:20). Also Ephesians 3:4: "you can perceive (noēsai) my insight".
From the study of Matthew 24:15
- Range of meaning
Anaginōskō = to read, usually aloud and often publicly (Luke 4:16; Acts 13:27; 15:21; Revelation 1:3). Noeō = to perceive with the mind, understand, grasp, take note.
- Against the English
'Let the reader understand' is accurate. The brackets in BSB, WEB and ESV show that this is an aside, but they settle a question the Greek leaves open: whether it is part of Jesus' speech or a comment by the Gospel writer.
- Used elsewhere in the period
Identical in Mark 13:14. Daniel's own visions repeatedly call for understanding (Daniel 9:23, 25; 11:33; 12:10, 'the wise shall understand'). Revelation 13:18 has a similar coded call: 'Let the one who has understanding calculate…'.
From the study of 2 Timothy 2:7
- Range of meaning
To see with the mind: perceive, grasp, understand; also to think over, reflect on, ponder something so as to understand it (BDAG). Related to nous, 'mind'. It can mean 'notice' or 'realize' and also the active work of thinking something through.
- Against the English
'Consider' (KJV, BSB, NASB), 'think over' (ESV), 'reflect on' (NIV), 'think about' (NLT). All are fair. 'Consider' can sound like a light glance in modern English; the present imperative points to ongoing, deliberate thinking.
- Used elsewhere in the period
Used in Mark 13:14 / Matt 24:15 ('let the reader understand', ho anaginōskōn noeitō), a call to work out a veiled meaning. In Eph 3:4 Paul says that by reading his words his readers can 'perceive' (noēsai) his insight. In the LXX it translates Hebrew verbs of understanding and paying attention (e.g. Prov 1:2, 6, where proverbs and riddles are to be understood).
Where it appears
Matthew · 4
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Matthew 15:17 νοεῖτε understand you
“Do you not yet realize that whatever enters the mouth goes into the stomach and then is eliminated?
Here: Present tense, second person plural: "do you (all) grasp / see with your mind." Jesus addresses Peter and the disciples together, appealing to plain common sense rather than special revelation.
-
Matthew 16:9 νοεῖτε do you understand
Do you still not understand? Do you not remember the five loaves for the five thousand, and how many basketfuls you gathered?
Here: Present tense: 'are you still not seeing it?' The word is about grasping what something means, not about having the facts. They have the facts; they have missed the point.
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Matthew 16:11 νοεῖτε understand you
How do you not understand that I was not telling you about bread? But beware of the leaven of the Pharisees and Sadducees.”
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Matthew 24:15 νοείτω, he should understand —
So when you see standing in the holy place ‘the abomination of desolation,’ spoken of by the prophet Daniel (let the reader understand),
Here: Third-person command: 'let him understand' or 'let him grasp this'. A pointed call to catch something that is deliberately left unstated, as Daniel's own visions repeatedly call for understanding.
Mark · 3
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Mark 7:18 νοεῖτε you understand
“Are you still so dull?” He asked. “Do you not understand? Nothing that enters a man from the outside can defile him,
Here: To see something with the mind and take it in. Mark pairs it with 'understand' again in 8:17, the climax of the disciples' failure to grasp.
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Mark 8:17 νοεῖτε do you perceive
Aware of their conversation, Jesus asked them, “Why are you debating about having no bread? Do you still not see or understand? Do you have such hard hearts?
Here: 'Do you perceive?' To see the point of something with the mind. Jesus used the same word with the disciples in 7:18.
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Mark 13:14 νοείτω, he should understand —
So when you see the abomination of desolation standing where it should not be (let the reader understand), then let those who are in Judea flee to the mountains.
Here: A third-person command: "let him grasp it". The reader is told to work out a veiled meaning. It echoes Daniel, where the wise are those who "understand" (Dan 9:23, 25; 12:10).
John · 1
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John 12:40 νοήσωσιν may understand
“He has blinded their eyes and hardened their hearts, so that they cannot see with their eyes, and understand with their hearts, and turn, and I would heal them.”
Here: "Might understand": to grasp with the mind and see the point. John uses this word in place of the Septuagint's συνῶσιν (also "understand"). Its object is the meaning of the signs, which is who Jesus is.
Romans · 1
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Romans 1:20 νοούμενα being understood
For since the creation of the world God’s invisible qualities, His eternal power and divine nature, have been clearly seen, being understood from His workmanship, so that men are without excuse.
Here: 'Being grasped by the mind'. The 'seeing' is seeing with the mind (nous), not with the eyes. The present tense shows that the grasping is ongoing.
Ephesians · 2
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Ephesians 3:4 νοῆσαι to understand
In reading this, then, you will be able to understand my insight into the mystery of Christ,
Here: 'To grasp with the mind' or 'to see clearly'. The tense presents it as one act: hearing the letter is enough for them to take in what Paul understands.
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Ephesians 3:20 νοοῦμεν we think
Now to Him who is able to do immeasurably more than all we ask or imagine, according to His power that is at work within us,
Here: "We conceive" or "we understand": what the mind can take in. It is wider than "ask". Whatever we cannot even form a thought about, God can still do.
1 Timothy · 1
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1 Timothy 1:7 νοοῦντες understanding
They want to be teachers of the law, but they do not understand what they are saying or that which they so confidently assert.
Here: Mental grasp: seeing what something actually means. Its present tense matches 'wanting'. They go on wanting the role while going on not understanding. That is the irony of the verse.
2 Timothy · 1
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2 Timothy 2:7 νόει do consider
Consider what I am saying, for the Lord will give you insight into all things.
Here: A command in the present tense: 'keep thinking about this', 'work it out'. Timothy is told to turn over in his mind the three short pictures Paul has just given (soldier, athlete, farmer) and draw out what they mean.
Hebrews · 1
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Hebrews 11:3 νοοῦμεν we understand
By faith we understand that the universe was formed at God’s command, so that what is seen was not made out of what was visible.
Here: Present tense, 'we' (the author and his readers). It means mental grasp and insight, not simply 'we believe'. Faith is presented as a way of knowing.
Word data: STEPBible.org (CC BY 4.0), main text only.