Word Study for G40 (ἅγιος) | Strong's Concordance

hágios /hag'-ee-os/ Ask about this word

Rootfrom ἅγος (an awful thing) (compare ἁγνός, θάλπω)

Meaningsacred (physically, pure, morally blameless or religious, ceremonially, consecrated)

KJV usage(most) holy (one, thing), saint.

Word Study

In depth

A plain-language study of hágios — 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 hágios, represented by G40, is a foundational term meaning sacred, pure, morally blameless, or consecrated. It can refer to a holy one, thing, or a saint. It appears 229 times across 219 unique verses, indicating its significance in describing the character of God and the identity of His people.

The semantic range of G40 extends beyond mere moral uprightness to encompass a fundamental concept of separation and dedication to God. This separation can be inherent, as in God's own nature, or conferred, as when people, places, or objects are set apart for divine use and purpose. Thus, hágios signifies not only purity and blamelessness, but also a state of being distinct from the common or profane, imbued with a sacred quality through divine association or consecration. This foundational understanding helps illuminate the diverse applications of the term throughout the New Testament, where it denotes both an attribute and a calling.

Biblical Occurrences & Contextual Analysis

In the New Testament, G40 is applied in several distinct ways. Most frequently, it identifies the third person of the Trinity, the Holy Ghost or Spirit Matthew 28:19. This Spirit is the source of power for believers Acts 1:8 and was sent as a Comforter John 14:26. The term is also used to describe God the Father as the Holy Father John 17:11 and celestial beings as holy angels Luke 9:26. Believers themselves are called saints Ephesians 6:18, a holy nation 1 Peter 2:9, and are commanded to be holy as God is holy 1 Peter 1:15-16. The word can also refer to a sacred place, such as the holy place in the temple Matthew 24:15.

Beyond its application to the divine and to believers generally, G40 delineates specific categories of persons and things consecrated to God's service or bearing His unique mark. Jesus Himself is identified as the "Holy One of God" Mark 1:24, Luke 4:34, and the "holy child Jesus" Acts 4:27, underscoring His unique divine nature and purity. Similarly, God's chosen messengers are referred to as "holy prophets" Luke 1:70, 2 Peter 3:2, indicating their divine inspiration and distinct role in revealing God's word. The concept also extends to specific divine directives, such as the "holy commandment" 2 Peter 2:21, which embodies God's sacred will. Even everyday expressions among believers are touched by this concept, with Paul urging them to "Greet one another with an holy kiss" 1 Corinthians 16:20, signifying a pure and consecrated fellowship. Furthermore, the term describes places of divine significance, not only the "holy place" of the temple Matthew 24:15 but also the "holy city" Jerusalem Matthew 4:5, and ultimately the "holy city, new Jerusalem" Revelation 21:2, highlighting God's ultimate design for a consecrated dwelling place among His people.

Related Words & Concepts

Several related words help clarify and expand on the concept of holiness:

G38 hagiasmós (holiness, sanctification): This noun form describes the state of purity or the process of purification that makes one holy.
G299 ámōmos (without blame (blemish, fault, spot), faultless, unblamable): Often paired with G40, this term describes the blameless state believers are chosen for before God Ephesians 1:4 and the ultimate state of the church Ephesians 5:27.
G1342 díkaios (just, meet, right(-eous)): This word, meaning righteous or equitable, is used in parallel with G40 to describe a character that is in right standing, as seen in the call for the righteous to be righteous still and the holy to be holy still Revelation 22:11.
G4151 pneûma (ghost, life, spirit(-ual, -ually), mind): This word for "spirit" is frequently joined with hágios to form the title Holy Spirit, designating the divine person of God who anoints, fills, and empowers believers (Acts 10:38, Acts 2:4).
G37 hagiázō (to make holy, sanctify): This verb, from which G40 is directly derived, describes the action of setting apart, consecrating, or purifying something or someone for God's purposes. It represents the active process by which holiness is imparted or achieved.
G53 hagnós (pure, chaste): Closely related to G40, this adjective emphasizes the aspect of moral purity, chastity, and freedom from defilement. While G40 often implies separation for God and a sacred quality, hagnós focuses more on the internal and external cleanness that is fitting for that consecrated state.

Theological Significance

The theological importance of G40 is central to Christian doctrine. It defines the nature of God, the identity of believers, and the call to a consecrated life.

The Divine Nature: The repeated description of the Spirit as Holy, the Father as Holy, and the declaration "Holy, holy, holy, Lord God Almighty" Revelation 4:8 establishes absolute purity and sacredness as essential to God's character.
The Identity of the Saints: Believers are called saints G40, not because of their own merit, but because they have been chosen by God Ephesians 1:4, set apart as a holy nation 1 Peter 2:9, and made part of a holy priesthood 1 Peter 2:5.
The Call to Sanctification: The term functions as a command. Believers are to present their bodies as a "living sacrifice, holy and acceptable unto God" Romans 12:1. This holy calling 2 Timothy 1:9 requires a life of purity that reflects the character of the One who called them 1 Peter 1:15.
The Work of the Holy Spirit: The Holy Spirit is the agent of sanctification. Believers are born of the Spirit Titus 3:5, filled with the Spirit Acts 2:4, sealed by the Spirit Ephesians 1:13, and empowered by the Spirit Acts 1:8.
Christ's Unique Holiness: G40 is critically applied to Jesus, identifying Him as the "Holy One" Acts 3:14 and the "holy child Jesus" Acts 4:27. This designation affirms His divine nature and inherent purity, setting Him apart as uniquely consecrated to God, the perfect and sinless Son, whose holiness is the standard and source of sanctification for believers.
The Eschatological Hope of Holiness: The concept of G40 extends into the future, portraying the ultimate state of God's people and dwelling. Believers are destined to be glorified in Christ's "saints" 2 Thessalonians 1:10 and to inherit the "holy city" Revelation 21:2, signifying a final, complete state of purity and consecration in God's presence, where the "holy" will remain "holy" forever Revelation 22:11.

Summary

The term G40 hágios is a cornerstone of New Testament theology, encompassing both the intrinsic nature of God and the aspirational identity of His people. At its core, it speaks of sacredness, purity, and being set apart, a principle that defines the very character of the Holy Trinity and the consecrated purpose of all that belongs to Him. This foundational meaning extends to a diverse array of applications, from the divine persons of the Holy Father and the Holy Spirit, to celestial holy angels, and even to specific human agents like the holy prophets and apostles, all marked by divine appointment and sacred function.

For believers, G40 is more than a descriptive label; it is a transformative identity and a continuous calling. They are designated as "saints" by virtue of their election in Christ, becoming a "holy nation" and a "holy priesthood" set apart for God's purposes. This conferred status demands a corresponding life of moral purity and dedication, a "holy calling" that requires believers to be "holy both in body and in spirit" 1 Corinthians 7:34. The Holy Spirit is the divine agent in this process, empowering believers and sealing them unto redemption.

Ultimately, G40 frames the entire redemptive narrative, from the unique holiness of Christ, the "Holy One of God," to the eschatological vision of a "holy city," the New Jerusalem, where God's people will dwell in perfected holiness. It underscores that separation to God entails not only moral blamelessness but also functional consecration for His glory. From the initial act of being called to be "saints" 1 Corinthians 1:2 to the final state where the "holy" are "holy still" Revelation 22:11, hágios encapsulates the divine standard, the Spirit's work, and the ultimate destiny of all who are united with Christ.

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 and a noun across 243 occurrences, inflected in 29 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.

ἁγίου
ἁγίων
ἁγίῳ
ἅγιον
ἁγίοις
ἅγιον
ἅγιος
ἁγίους
ἅγιον
ἁγίαν
ἅγιοι
ἁγία
ἁγίων
ἅγια
ἁγίου
ἁγίαις
ἁγίας
ἅγια
ἅγιοι
ἅγιος
ἁγίᾳ
ἁγιωτάτῃ
ἁγίῳ
ὑμῶν
ἁγίων
θεοῦ
ἅγιαι
ἅγιά
ἀπὸ

Related Words

3 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 219 verses across 23 of the 27 books. Most frequent in Acts (53 verses); never once in the other 4.

Matthew

Mark

Luke

John

Acts

Romans

1 Corinthians

2 Corinthians

Ephesians

Philippians

Colossians

1 Thessalonians

2 Thessalonians

1 Timothy

2 Timothy

Titus

Philemon

Hebrews

1 Peter

2 Peter

1 John

Jude

Revelation

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.