What does πωρόω (pōróō) mean in the Bible?
Πωρόω (pōróō) describes hardening or becoming dull and unresponsive. In the New Testament it is used of hearts or minds that fail to perceive what God has made known.
Greek · G4456
πωρόω
To harden
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πωρόω G4456
Pronunciation pōróō
What does πωρόω (pōróō) mean in the Bible?
Πωρόω (pōróō) describes hardening or becoming dull and unresponsive. In the New Testament it is used of hearts or minds that fail to perceive what God has made known.
Reader summary
Full entry for πωρόω (G4456) · Open the biblical lexicon
Questions this entry answers
How does the BSB render G4456?
The BSB source-word alignment has 5 aligned rows for this entry. Common renderings include hardened (2), such hard (1), were closed (1), were hardened (1).
Where does πωρόω (pōróō) appear in Scripture?
The source-word alignment first shows this entry at Mark 6:52. Its strongest book concentrations include Mark (2), 2 Corinthians (1), John (1), Romans (1).
What This Word Actually Means
Πωρόω (pōróō) describes hardening or becoming dull and unresponsive. In the New Testament it is used of hearts or minds that fail to perceive what God has made known. Mark says the disciples did not understand the loaves because their hearts were hardened (Mark 6:52). John 12:40 quotes Isaiah within a sustained account of unbelief despite Jesus' signs. Paul uses the language for Israel's partial hardening and for minds veiled when the old covenant is read apart from Christ (Rom. 11:7; 2 Cor. 3:14).
These texts require humility. Hardening can involve human refusal, judicial consequence, and a condition only God's mercy can overcome. No single occurrence should be made to settle every question about divine sovereignty and human responsibility. John presents real unbelief and divine judgment while continuing to call readers to believe in Jesus and receive life in His name.
Pastorally, the word warns that repeated exposure to truth does not guarantee a responsive heart. Religious familiarity can coexist with blindness. Yet teachers must not weaponize hardening language against doubters, sufferers, or people asking honest questions. The proper response is sober self-examination, clear proclamation of Christ, prayer for mercy, and hope in the God who removes blindness and brings people to faith.
Canonical parallelBook contextEditorial synthesis
How the Bible Uses It
The verb names spiritual dullness among disciples, unbelief before Jesus' signs, and the veiling or hardening discussed by Paul.
- Mark.6.52
For they had not understood about the loaves, but their hearts had been hardened.
Even Jesus' disciples can remain unresponsive to the meaning of His works, making the warning pastoral rather than merely polemical.
- John.12.40
“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.”
John quotes Isaiah to interpret persistent unbelief in the face of Jesus' signs and teaching.
- Rom.11.7
What then? What Israel was seeking, it failed to obtain, but the elect did. The others were hardened,
Paul places hardening within an argument that also rejects boasting and anticipates mercy.
- 2Cor.3.14
But their minds were closed. For to this day the same veil remains at the reading of the old covenant. It has not been lifted, because only in Christ can it be removed.
Paul locates the removal of veiling in Christ rather than in intellectual effort alone.
Source Word Evidence
BSB source-word alignment connects this entry to exact verse rows, English rendering, source form, transliteration, and parsing.
How English Renders It hardened 2× Mark 6:52, John 12:40
such hard 1× Mark 8:17
were closed 1× 2 Corinthians 3:14
were hardened 1× Romans 11:7
Show sample aligned rows
Mark 6:52 πεπωρωμένη to hardened Verb - Perfect Participle Middle or Passive - Nominative Feminine Singular Mark 8:17 πεπωρωμένην to such hard Verb - Perfect Participle Middle or Passive - Accusative Feminine Singular John 12:40 ἐπώρωσεν to hardened Verb - Aorist Indicative Active - 3rd Person Singular Romans 11:7 ἐπωρώθησαν to were hardened Verb - Aorist Indicative Passive - 3rd Person Plural 2 Corinthians 3:14 ἐπωρώθη to were closed Verb - Aorist Indicative Passive - 3rd Person Singular
Usage map
A compact distribution from source-word alignment before the full evidence tables.
First aligned row Mark 6:52
Aligned rows 5
Books represented 4
Mark 2 John 1 Romans 1 2 Corinthians 1
Source forms
ἐπωρώθη 1x epōrōthē 2 Corinthians 3:14
ἐπωρώθησαν 1x epōrōthēsan Romans 11:7
ἐπώρωσεν 1x epōrōsen John 12:40
πεπωρωμένη 1x pepōrōmenē Mark 6:52
πεπωρωμένην 1x pepōrōmenēn Mark 8:17
Parsing patterns
Verb - Aorist Indicative Active - 3rd Person Singular 1x John 12:40
Verb - Aorist Indicative Passive - 3rd Person Plural 1x Romans 11:7
Verb - Aorist Indicative Passive - 3rd Person Singular 1x 2 Corinthians 3:14
Verb - Perfect Participle Middle or Passive - Accusative Feminine Singular 1x Mark 8:17
Verb - Perfect Participle Middle or Passive - Nominative Feminine Singular 1x Mark 6:52
Using This Word Well
Be careful not to...
- Preach hardening first as a call to humble hearing and prayer. Avoid using the term as a weapon against people who are questioning, grieving, or learning slowly.
Avoid claiming...
- Do not claim that every failure to understand proves final hardening. Mark 6:52 applies the language to disciples who continue with Jesus and later grow in understanding.
- Do not claim that this verb by itself resolves the relation between divine sovereignty and human responsibility. John 12 and Romans 11 must be read within their full arguments.
Evidence Summary
Greek word. Spiritual hardening as a callous forming on the heart, resistant to God's truth and mercy
Strong's G4456
Lexical occurrences 5 verses Greek text appearances 5 times Word forms 2 forms 5 references Verse guides 0 guides
Study link Mark 6:45–52 Source Gloss
to harden
Extended definition Source: STEPBible TBESG + Abbott-Smith
Spiritual hardening as a callous forming on the heart, resistant to God's truth and mercy
(πῶρος, 1. a stone. 2. a callus) [in LXX: Job.17:7 B(כָּהָה), Pro.10:20 A * ;] to petrify, harden, form a callus. Metaphorical, π. τ. καρδίαν, Jhn.12:40. Pass., Rom.11:7; τ. νοήματα, 2Co.3:14; ἡ καρδία, Mrk.6:52 8:17
Greek Text Appearances
Textus Receptus witness, full corpus Greek token appearances from Scrivener 1894 Textus Receptus in the full New Testament corpus.
5 Greek text appearances shown. Linked morphology labels have verse guides.
Mark 6:52 Verb Perfect Passive Participle Nominative Singular Feminine
πεπωρωμένη. pepwrwmenh
I harden, render callous
Read verse Mark 8:17 Verb Perfect Passive Participle Accusative Singular Feminine
πεπωρωμένην pepwrwmenhn
I harden, render callous
Read verse John 12:40 Verb Third Person Singular Perfect Active Indicative
πεπώρωκεν pepwrwken
I harden, render callous
Read verse Romans 11:7 Verb Third Person Plural Aorist Passive Indicative
ἐπωρώθησαν· epwrwqhsan
I harden, render callous
Read verse 2 Corinthians 3:14 Verb Third Person Singular Aorist Passive Indicative
ἐπωρώθη epwrwqh
I harden, render callous
Read verseFull New Testament corpus: 260 chapters, 7,957 verses, 140,628 tokens. Data source: honza/textus-receptus (data only), with authority check against byztxt/greektext-textus-receptus.
Grammatical Forms
How mood, tense, and voice shift the force of this verb in context.
This verb appears through different tense, voice, mood, or stem patterns. Those forms help readers see how the action is presented in context.
Form groups 2 Aligned forms 5 Tenses Perfect, Aorist Voices Passive, Active
Verse guides are not available for this word yet, so verse references remain plain evidence markers.
Tenses
Voices
Participle verbal adjective — the action as a modifying quality 2×
Perfect Passive Mark 6:52 · Mark 8:17 2×
Indicative states a fact or reality 3×
Aorist Passive Rom 11:7 · 2 Cor 3:14 2×
Aorist Active John 12:40 1×
Discourse Aspect
How this verb appears across 4 occurrences in the NT discourse index (MACULA Greek SBLGNT).
Aspect
Tense
aorist 3 perfect 1
Voice
passive 3 active 1
Mood
indicative 3 participle 1
NT Occurrences
Aspect reflects grammatical form — not authorial emphasis. Participles and infinitives are verbal adjectives and nouns respectively.
Clause data: MACULA Greek (Clear Bible, CC BY 4.0) · SBLGNT (Logos/SBL, CC BY 4.0)
Selected Scripture Witnesses
Selected passage-level study witnesses for this word. This section is not the full occurrence list.
New Testament Witnesses
to harden
harden
To harden, make insensitive.
Showing 3 selected witnesses from 5 lexical occurrence verses.
Why This Word Matters
Describes the judicial hardening of those who persist in unbelief. Mark 6:45–52
Describes spiritual insensitivity. Mark 8:14–21
Indicates spiritual insensitivity. Romans 11:1-10
Part of These Phrases
Compound and idiomatic phrases that include this word. Follow a link to study the phrase and how its parts work together.
For the Preacher and Teacher
Hardening is a warning before it is a label for other people. Mark applies it to disciples who have witnessed Jesus' power but still do not understand. John and Paul use it within larger arguments about unbelief, judgment, election, mercy, and Christ. A faithful sermon should therefore resist simplistic formulas. It should neither deny divine judgment nor use that doctrine to excuse coldness toward unbelievers.
The word calls the church to hear while hearing is offered, to reject pride in religious knowledge, and to pray for God to grant sight and repentance. Because 2 Corinthians locates the lifting of the veil in Christ, the pastoral center remains proclamation of the Son rather than speculation about who may be beyond hope.
Anchor passage
John.12.40
Doctrinal connections
- John 12:36-43 - signs, unbelief, and Isaiah's witness
- Mark 6:45-52 - disciples who fail to understand
- Romans 9-11 - election, hardening, humility, and mercy
- 2 Corinthians 3:7-18 - the veil removed in Christ
The verb describes a condition of dullness or hardness. The grammatical voice and surrounding argument help identify whether the passage stresses condition, agency, or result.
From Old to New Testament
John 12 draws directly on Isaiah's prophetic commission and Israel's unbelief. Paul develops related hardening and veil themes, while insisting that mercy and Christ remain central to the canonical argument.
Sources
MorphGNT Strong's Dictionary XML — CC0 1.0 Public Domain
Open Scriptures Hebrew Bible (morphhb/OSHB) — CC BY 4.0
Open Scriptures Hebrew Lexicon — CC BY 4.0
Berean Standard Bible (BSB) source-word alignment - CC0 Public Domain