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G573

ἁπλοῦς

haploûs /hap-looce'/ Ask about this word
probably from Α (as a particle of union) and the base of πλέκω
properly, folded together, i.e. single (figuratively, clear)
single.

Word Study

In depth

A plain-language study of haploûs — 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 haploûs, represented by G573, means single or clear. Its base definition suggests something folded together. It appears only 2 times across 2 unique verses in the Bible. Though rare, its use in a powerful metaphor gives it significant weight, illustrating the concept of a focused and undivided spiritual perspective.

Biblical Occurrences & Contextual Analysis

In its biblical usage, G573 describes the state of the eye as a metaphor for a person's inner condition. Both Matthew and Luke record the teaching that "The light of the body is the eye" (Matthew 6:22; Luke 11:34). In this context, if the eye is single G573, the result is that the "whole body" will be full of light G5460. The word is contrasted directly with an evil G4190 eye, which causes the body to be "full of darkness" Luke 11:34.

Related Words & Concepts

Several related words help clarify the meaning of G573:

  • G3788 ophthalmós (the eye): This is the direct subject described as single. It is used figuratively to represent a person's spiritual vision or focus Matthew 6:22.
  • G4983 sōma (the body): This word refers to the whole person, which is directly affected by the state of the eye. The condition of the eye determines whether the entire body is illuminated or in darkness Luke 11:34.
  • G4190 ponērós (evil): Used as the direct opposite of single in this context. It describes a hurtful or culpable state that, when applied to the eye, leads to darkness Luke 11:34.
  • G5460 phōteinós (full of light): This describes the outcome of having a single eye. It signifies being well-illuminated or lustrous, both literally and figuratively Matthew 6:22.

Theological Significance

The theological weight of G573 is found in its metaphorical application of vision to one's spiritual life.

  • Undivided Focus: The core idea of single is a singular, uncomplicated focus. When one's spiritual "eye" is fixed with this kind of clarity, it allows the light of God to illuminate the entire being.
  • The Source of Inner Light: The teaching positions the eye as the lamp of the body G4983. A single eye allows light in, but an evil G4190 eye blocks it, resulting in a body that is full of darkness G4652.
  • A Condition of the Heart: The state of being single is not merely an outward action but an inward condition. It reflects a heart that is clear and devoted, as opposed to one that is divided, duplicitous, or wicked.

Summary

In summary, G573 is a concise but potent term. Though used only twice, it is central to a key biblical metaphor about spiritual perception. By describing the eye as single, it teaches that an undivided and clear focus is the very channel through which a person's entire life becomes full of light G5460. It highlights the critical connection between inner purity and spiritual illumination.

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 an adjective across 2 occurrences, inflected in 1 grammatical 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.

  • ἁπλοῦς

Related Words

Related

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

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 2 verses across 2 of the 27 books. Most frequent in Matthew and Luke (1 verse each); never once in the other 25.

1
Matthew
1
Luke

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.