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The Historic Faith
Strong's Concordance
Greek Word Study

Strong's G4457 πώρωσις (porosis)

Porosis means “blindness” — full meaning, definition, and every linked Bible usage across the indexed canon.

Same number, other testament: Strong's H4457 — melqach (“snuffers”) in the Hebrew Bible.

Strong's Number G4457
Language Greek
Linked Usages 3
Books 3

Strong's G4457 Quick Answer

Strong's G4457 πώρωσις (porosis) is a Greek Strong's word-study entry. porosis (po'-ro-sis) n. 1. stupidity or callousness [from G4456] It has 3 linked Bible usages across 3 books. Visible English usage signals include blindness and hardness. Indexed coverage on this page includes New Testament.

Meaning
porosis (po'-ro-sis) n. 1. stupidity or callousness [from G4456]
Usage
3 linked usages
Books
3 indexed books
Corpus
New Testament
Usage Words
blindness and hardness

Meaning and Definition

porosis (po'-ro-sis) n. 1. stupidity or callousness [from G4456] KJV: blindness, hardness Root(s): G4456

Original Word
πώρωσις
Transliteration
porosis
Derivation
Root: πωρόω R1: 4456
Morphology
noun

Across Lexicons

How independent scholarly lexicons define Strong's G4457. 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)

hardening

Usage: πώρωσις, -εως, ἡ (πωρόω), a covering with a callus, a hardening: metaphorically, Mrk.3:6, Rom.11:2, Eph.4:18.† (AS)

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How Strong's G4457 Is Translated

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

blindness Romans 11:25 hardness Mark 3:5

How Strong's G4457 Usage Compares

Indexed coverage includes New 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 3 linked usages.

Strong's G4457 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 G4457 in the New Testament

3 indexed usages in New Testament.

Mark 3:5 KJV

And when he had looked round about on them with anger, being grieved for the hardness of their hearts, he saith unto the man, Stretch forth thine hand. And he stretched it out: and his hand was restored whole as the other.

Romans 11:25 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.

Ephesians 4:18 KJV

Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:

Usage Excerpts

First 3 linked usage excerpts for Strong's G4457.

Mark 3:5 New Testament, KJV
And when he had looked round about on them with anger, being grieved for the hardness of their hearts, he saith unto the man, Stretch forth thine hand. And he stretched it out: and his hand was restored whole as the other.
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.
Ephesians 4:18 New Testament, KJV
Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:

All Indexed Usage Links

Every indexed verse link for Strong's G4457, grouped by book.

Mark 1 usage, New Testament
Romans 1 usage, New Testament
Ephesians 1 usage, New Testament

Strong's G4457 FAQ

What does porosis (πώρωσις) mean?

Porosis (Strong's G4457) is a Greek word most simply glossed "blindness". porosis (po'-ro-sis) n. 1. stupidity or callousness [from G4456]

How many times is porosis (πώρωσις) used in the Bible?

This page currently indexes 3 linked usages for Strong's G4457 across 3 books.

Where can I study porosis (πώρωσις) in context?

Use the linked verse references on this page to study Strong's G4457 in context. The indexed coverage includes New Testament.

What English words translate porosis (πώρωσις)?

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