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Greek verb · G2559

κακόω

kakookak-o'-o

to ill-treat, afflict, distress; (not in cl.), to embitter

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

Concordance spelling: kakóō

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G2559is this word's number in James Strong's 1890 index of the King James Bible.

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

The definition in full

Strong's key (1890) · G2559

to injure; figuratively, to exasperate

The King James renders it: make evil affected, entreat evil, harm, hurt, vex.

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

kakoo is rendered "to ill-treat, afflict, distress; (not in cl.), to embitter". It stands 6 times in the Greek text, across two books.

  • Five of the uses stand in Acts, more than in any other book.
  • The lexicon lists two meanings for it, beginning with "to ill-treat, afflict, distress".
  • Its first use in canonical order opens the ledger below.Acts 7:6God told him that his descendants would be foreigners in a strange land, and that they would be enslaved and mistreated four hundred years.
  • The Greek text spells it five different ways.

The first use

God told him that his descendants would be foreigners in a strange land, and that they would be enslaved and mistreated four hundred years.

Acts 7:6κακώσουσιν

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

Where the word stands

Five of the word's six uses are in Acts.

The other 25 New Testament books never use the word.

What the word means

The word carries two meanings: to ill-treat, afflict, distress, and (not in cl.), to embitter.

Each meaning, and the words it is translated by

The English STEP Bible gives each use, word by word, and how many times.
to ill-treat, afflict, distresswith accusative of person(s), Act.7:6, 19 12:1 18:10, 1Pe.3:13.Tagged as
  • he mistreated1
  • they will mistreat1
  • to harm1
  • to mistreat1
  • will harm1
WhereActs 7:6God told him that his descendants would be foreigners in a strange land…
(not in cl.), to embitterPsa.106:32): Act.14:2Tagged as
  • they poisoned1
WherePsalms 106:32At the waters of Meribah they angered the LORD, and trouble came to Moses because of them.

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.

κακόςkakosevil/harm: harmUses50
κακολογέωkakologeoto curse/revileUses4
κακοποιέωkakopoieoto do evil/harmUses4
κακοῦργοςkakourgoscriminalUses4
κακοπαθέωkakopatheoto endureUses3
κακοποιόςkakopoioswrongdoingUses3
κακουχέωkakoucheoto tormentUses2
κακοήθειαkakoetheiamaliceUses1
κακοπάθειαkakopatheiasufferingUses1

All 6, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

5 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

  • κακῶσαί2
  • ἐκάκωσαν1
  • ἐκάκωσεν1
  • κακώσουσιν1
  • κακώσων1

The grammar of each form

  • verb · aorist active, infinitive (“to…”)2V-AAN
  • verb · aorist active, indicative · 3rd person plural1V-AAI-3P
  • verb · aorist active, indicative · 3rd person singular1V-AAI-3S
  • verb · future active, indicative · 3rd person plural1V-FAI-3P
  • verb · future active, participle · nominative (subject) · masculine singular1V-FAP-NSM

Acts

five uses
  • God told him that his descendants would be foreigners in a strange land, and that they would be enslaved and mistreated four hundred years.

    Acts 7:6

    • κακώσουσινkakosousinverb · future active, indicative · 3rd person pluraltagged: they will mistreat
  • He exploited our people and oppressed our fathers, forcing them to abandon their infants so they would die.

    Acts 7:19

    • ἐκάκωσενekakosenverb · aorist active, indicative · 3rd person singulartagged: he mistreated
  • About that time, King Herod reached out to harm some who belonged to the church.

    Acts 12:1

    • κακῶσαίkakosaiverb · aorist active, infinitive (“to…”)tagged: to mistreat
  • But the unbelieving Jews stirred up the Gentiles and poisoned their minds against the brothers.

    Acts 14:2

    • ἐκάκωσανekakosanverb · aorist active, indicative · 3rd person pluraltagged: they poisoned
  • For I am with you and no one will lay a hand on you, because I have many people in this city.”

    Acts 18:10

    • κακῶσαίkakosaiverb · aorist active, infinitive (“to…”)tagged: to harm

1 Peter

one use
  • Who can harm you if you are zealous for what is good?

    1 Peter 3:13

    • κακώσωνkakosonverb · future active, participle · nominative (subject) · masculine singulartagged: will harm

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 →