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G801

ἀσύνετος

asýnetos /as-oon'-ay-tos/ Ask about this word
from Α (as a negative particle) and συνετός
unintelligent; by implication, wicked
foolish, without understanding.

Word Study

In depth

A plain-language study of asýnetos — 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 asýnetos, represented by G801, is derived from Α (as a negative particle) and συνετός. It means unintelligent and, by implication, wicked, often translated as foolish or without understanding. This term appears 5 times in 5 unique verses of the Bible, highlighting a specific type of spiritual and moral dullness.

Biblical Occurrences & Contextual Analysis

In the biblical text, G801 is used to describe a state of willful ignorance. In Romans, it characterizes those who, after knowing God, refused to glorify Him and became vain in their imaginations G1261, resulting in their foolish G801 heart being darkened G4654 Romans 1:21. The term is also part of a list of sinful attributes, appearing alongside covenantbreakers G802, those without natural affection G794, the implacable G786, and the unmerciful G415 Romans 1:31. Jesus uses the term to rebuke his disciples, asking, "Are ye also yet without understanding?" Matthew 15:16 and "Are ye so without understanding also?" Mark 7:18, pointing to their failure to grasp spiritual truth. It is also used to describe a foolish nation God would use to provoke Israel Romans 10:19.

Related Words & Concepts

Several related words help clarify the meaning of G801 by context:

  • G1261 dialogismós (imagination, reasoning, thought): Defined as "discussion" or "internal consideration," this term is linked to G801 in Romans 1:21, where vain imaginations precede the development of a foolish heart.
  • G4654 skotízō (darken): Meaning "to obscure," this word describes the direct consequence of a foolish G801 heart, which "was darkened" Romans 1:21.
  • G802 asýnthetos (covenant-breaker): This word, meaning "treacherous to compacts," appears immediately after without understanding G801 in the list of vices in Romans 1:31, showing their close association.

Theological Significance

The theological weight of G801 is significant, connecting a lack of understanding directly to moral and spiritual failure.

  • Consequence of Rejecting God: The state of being without understanding is not presented as an intellectual failing, but as a direct result of rejecting God. When people refused to honor God, their hearts became foolish Romans 1:21.
  • Spiritual Dullness: Jesus uses the term to challenge his disciples' inability to perceive spiritual truths, indicating that being without understanding is a form of spiritual blindness (Matthew 15:16, Mark 7:18).
  • Component of Wickedness: By its inclusion in a list of grave sins in Romans 1:31, G801 is framed as an attribute of a wicked character, on par with being unmerciful G415 and implacable G786.

Summary

In summary, G801 is not merely about a lack of intelligence but describes a culpable state of being foolish and without understanding. It is a condition that arises from turning away from God, leading to a darkened heart and wicked behavior. Whether used to describe the moral decay of a culture or the spiritual slowness of disciples, the word consistently links a failure to understand with a failure to honor God.

How the KJV Renders It

Translation

Strong’s lists the renderings but not their weight. These are counted from the King James text of the tagged verses — the bar under each is how often the translators actually reached for it. Select one to filter the occurrences below.

Grammatical Forms

Morphology

In the Greek New Testament, this word appears as an adjective across 5 occurrences, inflected in 4 grammatical forms — each row is one form, and the bar is how often it is that form.

  • Nominative Plural Masculine
  • Accusative Plural Masculine
  • Dative Singular Neuter
  • Nominative Singular Feminine
Nominative
The subject of the verb.
Dative
The indirect object — often "to" or "for".
Accusative
The direct object of the verb.
Singular
One.
Plural
More than one.
Masculine
Masculine grammatical gender.
Feminine
Feminine grammatical gender.
Neuter
Neuter grammatical gender.

Related Words

Related

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.

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 Romans (3 verses); never once in the other 24.

1
Matthew
1
Mark
3
Romans

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, 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.