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Greek noun (feminine) · G646

ἀποστασία

apostasiaap-os-tas-ee'-ah

apostasy

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

Concordance spelling: apostasía

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G646is this word's number in James Strong's 1890 index of the King James Bible.

  • 2 of 27
    New Testament books
  • 2
    spellings

The definition in full

Strong's key (1890) · G646

defection from truth (properly, the state) ("apostasy")

The King James renders it: falling away, forsake.

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

apostasia is rendered "apostasy". It stands 2 times in the Greek text, across two books.

  • One of the uses stand in Acts, more than in any other book.
  • Its first use in canonical order opens the ledger below.Acts 21:21But they are under the impression that you teach all the Jews who live among the Gentiles to forsake Moses, telling them not to circumcise their children or observe our customs.
  • The Greek text spells it two different ways.

The first use

But they are under the impression that you teach all the Jews who live among the Gentiles to forsake Moses, telling them not to circumcise their children or observe our customs.

Acts 21:21ἀποστασίαν

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

Where the word stands

One of the word's two uses is in Acts.

The other 25 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

  • apostasy2

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.

ἀποστέλλωapostelloto sendUses132
ἀπόστολοςapostolosapostleUses79
ἀποστρέφωapostrephoto turn awayUses9
ἀποστερέωapostereoto defraudUses6
ἀποσπάωapospaoto draw awayUses4
ἀποστολήapostoleapostleshipUses4
ἀποστάσιονapostasiondivorceUses3
ἀποσυνάγωγοςaposynagogosexcommunicatedUses3
ἀποστυγέωapostygeoto abhorUses1
ἀποσκευάζωaposkeuazoto pack upUses1
ἀποσκίασμαaposkiasmashadowUses1
ἀποστεγάζωapostegazoto unroofUses1

and 1 more on the stem.

All 2, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

2 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

  • ἀποστασία1
  • ἀποστασίαν1

The grammar of each form

  • noun · accusative (object) · feminine singular1N-ASF
  • noun · nominative (subject) · feminine singular1N-NSF

Acts

one use
  • But they are under the impression that you teach all the Jews who live among the Gentiles to forsake Moses, telling them not to circumcise their children or observe our customs.

    Acts 21:21

    • ἀποστασίανapostasiannoun · accusative (object) · feminine singulartagged: apostasy

2 Thessalonians

one use
  • Let no one deceive you in any way, for it will not come until the rebellion occurs and the man of lawlessness—the son of destruction—is revealed.

    2 Thessalonians 2:3

    • ἀποστασίαapostasianoun · nominative (subject) · feminine singulartagged: apostasy

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.

The family is read from the lexicon by the stem the two words share, with the accents off, and a person or a place named on the stem is left out.

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 →