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Greek verb · G4448

πυρόω

pyroopoo-ro'-o

to be set on fire, to burn; Of metals (cf.

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

Concordance spelling: pyróō

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G4448is this word's number in James Strong's 1890 index of the King James Bible.

  • 5 of 27
    New Testament books
  • 6
    spellings
  • 2
    meanings

The definition in full

Strong's key (1890) · G4448

to kindle, i.e. (passively) to be ignited, glow (literally), be refined (by implication), or (figuratively) to be inflamed (with anger, grief, lust)

The King James renders it: burn, fiery, be on fire, try.

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

pyroo is rendered "to be set on fire, to burn; Of metals (cf.". It stands 6 times in the Greek text, across five books.

  • Two of the uses stand in Revelation, more than in any other book.
  • The lexicon lists two meanings for it, beginning with "to be set on fire, to burn".
  • Its first use in canonical order opens the ledger below.1 Corinthians 7:9But if they cannot control themselves, let them marry. For it is better to marry than to burn with passion.
  • The Greek text spells it six different ways.

The first use

But if they cannot control themselves, let them marry. For it is better to marry than to burn with passion.

1 Corinthians 7:9πυροῦσθαι.¶

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

Where the word stands

Two of the word's six uses are in Revelation.

The other 22 New Testament books never use the word.

What the word means

The lexicons give this word two senses, and a verse uses one of them at a time: to be set on fire, to burn, and Of metals (cf..

Each meaning, and the words it is translated by

The English STEP Bible gives each use, word by word, and how many times.
to be set on fire, to burnEph.6:16, 2Pe.3:12; ptcp., glowing, Rev.1:15. Metaphorical, of grief or indignation, 2Co.11:29; of lust, 1Co.7:9.Tagged as
  • refined2
  • being set on fire1
  • do burn inwardly1
  • enflamed1
  • to burn with passion1
Where1 Corinthians 7:9But if they cannot control themselves, let them marry…
Of metals (cf.Job.22:25Tagged aslisted under the tableWhereJob 22:25then the Almighty will be your gold and the finest silver for you.

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 6, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

6 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

  • πεπυρωμένα1
  • πεπυρωμένης1
  • πεπυρωμένον1
  • πυροῦμαι1
  • πυρούμενοι1
  • πυροῦσθαι.¶1

The grammar of each form

  • verb · present passive, indicative · 1st person singular1V-PPI-1S
  • verb · present passive, infinitive (“to…”)1V-PPN
  • verb · present passive, participle · nominative (subject) · masculine plural1V-PPP-NPM
  • verb · perfect passive, participle · accusative (object) · neuter plural1V-RPP-APN
  • verb · perfect passive, participle · accusative (object) · neuter singular1V-RPP-ASN
  • verb · perfect passive, participle · genitive (“of”) · feminine singular1V-RPP-GSF

1 Corinthians

one use
  • But if they cannot control themselves, let them marry. For it is better to marry than to burn with passion.

    1 Corinthians 7:9

    • πυροῦσθαι.¶purousthaiverb · present passive, infinitive (“to…”)tagged: to burn with passion

2 Corinthians

one use
  • Who is weak, and I am not weak? Who is led into sin, and I do not burn with grief?

    2 Corinthians 11:29

    • πυροῦμαιpuroumaiverb · present passive, indicative · 1st person singulartagged: do burn inwardly

Ephesians

one use
  • In addition to all this, take up the shield of faith, with which you can extinguish all the flaming arrows of the evil one.

    Ephesians 6:16

    • πεπυρωμέναpepuromenaverb · perfect passive, participle · accusative (object) · neuter pluraltagged: enflamed

2 Peter

one use
  • as you anticipate and hasten the coming of the day of God, when the heavens will be destroyed by fire and the elements will melt in the heat.

    2 Peter 3:12

    • πυρούμενοιpuroumenoiverb · present passive, participle · nominative (subject) · masculine pluraltagged: being set on fire

Revelation

two uses
  • His feet were like polished bronze refined in a furnace, and His voice was like the roar of many waters.

    Revelation 1:15

    • πεπυρωμένηςpepuromenesverb · perfect passive, participle · genitive (“of”) · feminine singulartagged: refined
  • I counsel you to buy from Me gold refined by fire so that you may become rich, white garments so that you may be clothed and your shameful nakedness not exposed, and salve to anoint your eyes so that you may see.

    Revelation 3:18

    • πεπυρωμένονpepuromenonverb · perfect passive, participle · accusative (object) · neuter singulartagged: refined

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 →