English · KJV
G3105

μαίνομαι

maínomai /mah'-ee-nom-ahee/ Ask about this word
Rootmiddle voice from a primary μάω (to long for; through the idea of insensate craving)
Meaningto rave as a "maniac"
KJV usagebe beside self (mad).

Word Study

In depth

A plain-language study of maínomai — the range of meaning it carries, how Scripture actually uses it, and where it points. Written for readers who don’t know the original language.

Core Meaning & Semantic Range

The Greek word maínomai, represented by G3105, means to rave as a "maniac" or to be beside oneself. It appears 6 times across 5 unique verses in the Bible. The term stems from the idea of an "insensate craving" and is consistently used to describe a state perceived as madness or irrationality.

Biblical Occurrences & Contextual Analysis

In its biblical usage, G3105 is often an accusation leveled against those delivering a divine or unbelievable message. In response to Paul's testimony, Festus exclaims, "thou art beside thyself" Acts 26:24. Similarly, some accused Jesus, saying, "He hath a devil, and is mad" John 10:20. The disciples used the term when reacting with disbelief to Rhoda's news of Peter's miraculous release from prison, telling her, "Thou art mad" Acts 12:15. Paul also uses it hypothetically, warning that if unbelievers enter a church where all are speaking with tongues, they will say "ye are mad" 1 Corinthians 14:23.

Related Words & Concepts

Several related words provide context for the meaning of madness and its opposite:

  • G3130 manía (craziness): This word is directly paired with G3105 in the accusation against Paul. Festus claims that much learning was making Paul mad Acts 26:24, using this term to describe the state of "craziness."
  • G1140 daimónion (a dæmonic being): This term is linked to G3105 as a perceived cause of madness. In John 10:20, the crowd accuses Jesus of having a "devil" and being "mad," suggesting demonic influence as the source of his behavior.
  • G4997 sōphrosýnē (soundness of mind... soberness, sobriety): This word is used as the direct antonym to being mad. When defending himself, Paul insists he is not mad G3105 but speaks words of "truth and soberness" Acts 26:25, positioning soundness of mind as the opposite of the state described by maínomai.

Theological Significance

The use of G3105 highlights several important theological themes:

  • An Accusation Against Divine Revelation: The word is frequently used as a charge against God's messengers. Both Jesus and Paul are accused of being mad when presenting truths that defy worldly understanding (John 10:20, Acts 26:24). This shows how the divine message can be perceived as irrational by those who do not believe.
  • The Opposition of Madness and Soberness: Paul's defense before Festus establishes a clear dichotomy. He contrasts being mad G3105 with speaking words of "truth and soberness" G4997 Acts 26:25. This frames the Christian testimony not as raving, but as the ultimate expression of sanity and clear-mindedness.
  • Perception of the Supernatural: The term is used to describe the human reaction to events that seem impossible. The disciples' dismissal of Rhoda's report as madness Acts 12:15 and the potential reaction of unbelievers to speaking in tongues 1 Corinthians 14:23 illustrate how spiritual phenomena can be misinterpreted as insanity.

Summary

In summary, G3105 goes beyond a simple definition of mental illness. It functions within the biblical text as a label for what the world deems irrational, particularly the claims of Christ, the testimony of his followers, and the manifestation of supernatural events. The word serves to highlight the profound gap between worldly perception and spiritual "soberness" and truth.

How the KJV Renders It

Translation

Strong’s lists one rendering for this word. It is counted from the King James text of the tagged verses — the number is how many of them use it. Select it to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as a verb across 5 occurrences, inflected in 4 grammatical forms — each row is one form, and the bar is how often it is that form. Select any form to read what each part of its name means, and to filter the occurrence list to it. These are this word’s own inflections, not words built from it — for those, see Related Words.

  • μαίνῃ
  • μαίνομαί
  • μαίνεσθε;
  • μαίνεται·

Related Words

Related

Words formed from this one

1 entry in Strong’s name this word as its origin. These are its derivatives — a different relationship from the inflected forms above, which are this same word bent by grammar.

G3130 μανία craziness

Also mentioned in the study

Other entries the study above points to — each one is drawn from a reference it makes. Follow the trail to see how the words connect.

G1140 δαιμόνιον a dæmonic being G4997 σωφροσύνη soundness of mind, i.e. (literally) sanity or (figuratively) self-control

Theographic Context

Context

The people, places, and span of history the verses containing this word touch on — drawn from the theographic tagging of Scripture. Select any name to isolate its verses in the occurrence list.

Biblical Distribution

Distribution

Appears in 5 verses across 3 of the 27 books. Most frequent in Acts (3 verses); never once in the other 24.

1
John
3
Acts
1
1 Corinthians

Every Occurrence

Concordance

Every verse where the word is tagged in the King James text. Filter by book, by the English word the translators chose, by grammatical form, or search within the verses.

Sources. Definition and numbering: James Strong, Exhaustive Concordance of the Bible (1890). Morphology: STEPBible / Tyndale House (CC BY). Verse tagging: the King James text keyed to Strong’s numbers. Every count on this page is computed from the tagged corpus, not estimated.