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Greek noun (feminine) · G4457

πώρωσις

porosispo'-ro-sis

hardening

3 uses in the Greek text, one for each word STEP Bible has tagged with this key

Concordance spelling: pṓrōsis

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G4457is this word's number in James Strong's 1890 index of the King James Bible.

  • 3 of 27
    New Testament books
  • 3
    spellings

The definition in full

Strong's key (1890) · G4457

stupidity or callousness

The King James renders it: blindness, hardness.

James Strong, The Exhaustive Concordance of the Bible (1890), public domain. Strong indexed the King James text, and this site quotes his entry as that index.

Summary

porosis is rendered "hardening". It stands 3 times in the Greek text, across three books.

  • One of the uses stand in Mark, more than in any other book.
  • Its first use in canonical order opens the ledger below.Mark 3:5Jesus looked around at them with anger and sorrow at their hardness of heart. Then He said to the man, “Stretch out your hand.” So he stretched it out, and it was restored.
  • The Greek text spells it three different ways.

The first use

Jesus looked around at them with anger and sorrow at their hardness of heart. Then He said to the man, “Stretch out your hand.” So he stretched it out, and it was restored.

Mark 3:5πωρώσει

The first use, in the order of the New Testament's books.

Where the word stands

One of the word's three uses is in Mark.

The other 24 New Testament books never use the word.

What the word means

Each meaning, and the words it is translated by

How the Greek text is glossed, word by word

  • hardness2
  • a hardening1

The words built on the same word-part

Each word below begins with the same letters this one begins with. A shared word-part shows a family. It does not settle what any one of them means, so each word carries its own uses on its own page. Scholars call that shared part the stem.

All 3, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

3 spellings and their grammar

STEP Bible tags every word of the Hebrew and Greek text with its spelling and its grammar. Both lists below count the rows printed underneath, written out in English, with the code beside each one as it was tagged.

How it is spelled

  • πωρώσει1
  • πώρωσιν1
  • πώρωσις1

The grammar of each form

  • noun · accusative (object) · feminine singular1N-ASF
  • noun · dative (“to / for”) · feminine singular1N-DSF
  • noun · nominative (subject) · feminine singular1N-NSF

Mark

one use
  • Jesus looked around at them with anger and sorrow at their hardness of heart. Then He said to the man, “Stretch out your hand.” So he stretched it out, and it was restored.

    Mark 3:5

    • πωρώσειporoseinoun · dative (“to / for”) · feminine singulartagged: hardness

Romans

one use
  • I do not want you to be ignorant of this mystery, brothers, so that you will not be conceited: A hardening in part has come to Israel, until the full number of the Gentiles has come in.

    Romans 11:25

    • πώρωσιςporosisnoun · nominative (subject) · feminine singulartagged: a hardening

Ephesians

one use
  • They are darkened in their understanding and alienated from the life of God because of the ignorance that is in them due to the hardness of their hearts.

    Ephesians 4:18

    • πώρωσινporosinnoun · accusative (object) · feminine singulartagged: hardness

Where it leads

How the numbers are counted

Every count on this page comes from STEP Bible's tagged Hebrew and Greek text, the same text the ledger prints. A use is counted once each time the tagging marks a word with this key.

Spellings are counted as the Greek text spells them, with the sentence's own punctuation taken off the word first, so a form that ends a clause is not counted as a second spelling.

Hebrew and Greek text, word tagging and grammar: STEP Bible (www.STEPBible.org), Tyndale House, CC BY 4.0. Their grammar codes are written out in English here and shown as tagged beside each one.

Meaning and senses: STEP Bible TBESG (Tyndale House, CC BY 4.0), the Brief lexicon based on Abbott-Smith (1922).

Dictionary key: Strong's Exhaustive Concordance of the Bible (1890, public domain). English verse text: Berean Standard Bible (public domain, 2023).

Revised 2026-09-05. Every cited work, the sources registry →