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קָדַשׁ

qâdash /kaw-dash'/ Ask about this word
a primitive root
to be (causatively, make, pronounce or observe as) clean (ceremonially or morally)
appoint, bid, consecrate, dedicate, defile, hallow, (be, keep) holy(-er, place), keep, prepare, proclaim, purify, sanctify(-ied one, self)
idiom wholly.
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Core Meaning & Semantic Range

The Hebrew word qâdash, represented by H6942, is a primitive root central to the concept of holiness. It appears 173 times across 153 unique verses in the Bible. Its core meaning is to be clean, either ceremonially or morally, and it is causatively used to mean making, pronouncing, or observing something as clean. This extends to actions like appointing, consecrating, dedicating, hallowing, preparing, and sanctifying.

Beyond mere ritual purity, H6942 inherently carries the sense of being designated or separated for a unique purpose, often implying an elevated status or function within the divine economy. This "setting apart" fundamentally alters the nature or perceived use of the person, object, or time from the common or profane to the sacred. The verb can denote both an active human endeavor to prepare or consecrate, as when individuals "sanctify themselves" for a divine encounter Joshua 3:5, and a divine declaration or act, as when God "sanctified" the Sabbath day Genesis 2:3. This dual agency highlights a dynamic relationship where human response is called for in anticipation of, or in alignment with, God's sovereign setting apart.

The causative aspect of H6942 often translates to "to prepare" or "to dedicate," particularly in contexts of war or significant undertakings. For instance, nations are "prepared" or "sanctified" for battle as instruments of divine judgment Jeremiah 51:27-28, indicating that even secular acts can be brought into the sphere of divine purpose and thereby "set apart" by God. This extends the semantic range beyond cultic purity to include a broader sense of divine orchestration and appointment for a specific, often weighty, role.

Biblical Occurrences & Contextual Analysis

In the biblical narrative, H6942 is applied to people, places, times, and actions to signify that they are set apart for God's purposes. God sanctified the prophet Jeremiah before he was born Jeremiah 1:5 and hallowed the seventh day at creation Genesis 2:3. The people of Israel were repeatedly commanded to sanctify themselves in preparation for encountering God's presence or witnessing His power Joshua 3:5. This preparation could involve washing their clothes Exodus 19:10. The term also applies to dedicating objects, such as the altar Exodus 40:10 and the Temple 1 Kings 9:3, and setting apart the firstborn as belonging to God Exodus 13:2.

The usage of H6942 frequently highlights the necessity of human preparation and consecration before engaging in sacred duties or experiencing divine manifestation. Priests and Levites, in particular, were repeatedly required to "sanctify themselves" for their service, whether it was to bring up the Ark of the LORD 1 Chronicles 15:12, 14, to minister in the Temple 2 Chronicles 29:5, 15, or to handle holy offerings 2 Chronicles 30:17, 24. This self-sanctification often involved ritual cleansing and a conscious mental and spiritual readiness, underscoring that proximity to the divine demands a corresponding state of dedicated otherness.

H6942 is used to describe the ongoing sanctification of sacred spaces and items, emphasizing their enduring distinction from the common. Solomon "hallowed" the middle of the court for offerings 1 Kings 8:64, and the LORD declared He had "hallowed this house" forever 1 Kings 9:3. Even objects taken as spoils of war could be "dedicated" or "sanctified" to the LORD, becoming part of the Temple treasury 2 Samuel 8:11 or for its maintenance 1 Chronicles 26:27. This continuous act of setting apart reinforces the permanence of their holy status, even as they are used and maintained by human hands.

Related Words & Concepts

Several related words illuminate the concept of holiness:

  • H6918 qâdôwsh (sacred (ceremonially or morally); (as noun) God (by eminence), an angel, a saint, a sanctuary): This is a direct derivative of qâdash used to describe the essential nature of God and the state to which His people are called. God commands, "ye shall be holy; for I am holy" Leviticus 11:44.
  • H6944 qôdesh (a sacred place or thing; rarely abstract, sanctity): This noun form refers to that which has been sanctified, such as "the most holy things" tended to by Aaron and his sons 1 Chronicles 23:13 or a "holy convocation" Leviticus 23:27.
  • H2490 châlal (to profane): Often used as an antonym to qâdash, this word means to pollute or defile what is holy. God commands His people not to profane His name, but that He will be hallowed among them Leviticus 22:32.
  • H2891 ṭâhêr (to be pure (physical sound, clear, unadulterated; Levitically, uncontaminated; morally, innocent or holy)): This word for being pure or clean is frequently associated with sanctification, as seen in the command for Levites to cleanse themselves to sanctify the sabbath day Nehemiah 13:22.
  • H6943 Qedesh (a sanctuary; a holy place): This proper noun, used for various cities, notably a city of refuge Joshua 20:7, directly reflects the root qâdash by designating places considered sacred or set apart for a specific, often protective, divine purpose.
  • H6945 qâdêsh (a consecrated (male) person, especially a cult prostitute): This related term, though sharing the root of holiness, tragically denotes one "set apart" for illicit, profane purposes in pagan worship, highlighting a perversion of the true meaning of qâdash.
  • H6948 qᵉdêshâh (a consecrated (female) person, especially a cult prostitute): Similar to qâdêsh, this feminine form describes women "set apart" for ritual prostitution in idolatrous cults, further illustrating the danger of misappropriating the concept of consecration.

Theological Significance

The theological weight of H6942 is immense, defining the relationship between God and creation.

  • Source of Holiness: The concept originates with God Himself. He is sanctified through His acts of judgment and righteousness Isaiah 5:16, and He reveals His holiness to be glorified by His people Leviticus 10:3.
  • A Call to Separation: God commands His people to sanctify themselves, separating from the defilement of the world to reflect His own character Leviticus 20:7. Failure to sanctify God could result in judgment Numbers 20:12.
  • Consecration for Service: To be sanctified is to be set apart for a divine purpose. This applies to priests consecrated to minister Exodus 28:41, prophets ordained for the nations Jeremiah 1:5, and even the Sabbath day set aside for rest and remembrance Exodus 20:8.
  • Divine Action: While people are commanded to sanctify themselves, scripture emphasizes that it is ultimately God who sanctifies His people. He is "the LORD that doth sanctify you" Exodus 31:13, making them His own.
  • Sanctification as a Witness to the Nations: The act of God sanctifying His people and His name serves as a powerful declaration to surrounding nations. When God acts in judgment or restoration, He states, "I will be sanctified in you before the heathen," demonstrating His unique power and holiness to those outside Israel Ezekiel 20:41, 36:23, 39:27. This external validation of God's holiness through His interaction with Israel underscores a missional dimension to the concept of H6942.
  • The Danger of Neglecting Sanctification: The scriptures clearly warn of severe consequences for failing to properly sanctify God or His commands. Moses and Aaron were barred from entering the Promised Land because they "sanctified [God] not in the midst of the children of Israel" at Meribah Numbers 20:12, 27:14. This demonstrates that human action, or inaction, can either uphold or diminish the public perception of God's holiness, with dire implications for those entrusted with His name.
  • Sanctification of Time and Cycles: Beyond specific events, H6942 also applies to the regular sanctification of time, establishing rhythms of holiness in Israelite life. The Sabbath is repeatedly commanded to be "hallowed" or "sanctified" Deuteronomy 5:12, Jeremiah 17:22, Ezekiel 20:20, as is the fiftieth year of Jubilee Leviticus 25:10. This cyclical sanctification ensured a constant remembrance of God's sovereignty over time and His people's ongoing commitment to Him.

Summary

The Hebrew root H6942 (qâdash) stands as a foundational concept in the Old Testament, encapsulating the profound act of setting apart from the ordinary for the exclusive service or possession of God. This designation transforms a person, place, time, or object, elevating its status to the sacred. It is a dynamic process, initiated by God who is Himself the source of all holiness, as seen in His sanctification of the Sabbath at creation Genesis 2:3 and His people Israel Exodus 31:13. Yet, it also demands an active, often ritualistic, response from humanity, involving self-purification and dedication in anticipation of divine encounter or for consecrated service.

The biblical narrative illustrates H6942 in diverse contexts, from the preparation of individuals like Jeremiah for prophetic ministry Jeremiah 1:5 to the hallowing of the Temple 1 Kings 9:3 and the dedication of war spoils 2 Samuel 8:11. This pervasive application underscores that holiness is not confined to the cultic realm but extends to all aspects of life, influencing human conduct, the use of resources, and the very fabric of communal existence. The repeated call for Israel to "sanctify yourselves" Joshua 3:5, Leviticus 20:7 highlights the ongoing human responsibility to align with God's holy character and purposes.

The theological significance of H6942 is multifaceted, revealing God's nature, His covenant relationship with Israel, and His ultimate plans for glorification. It emphasizes that God's holiness is to be revered and honored, not only by His people in their obedience but also witnessed by the nations through His actions in the world Ezekiel 36:23. The stark contrast between qâdash and H2490 (châlal, to profane) illuminates the perilous consequences of defiling what God has set apart, as seen in the judgment meted out for failing to properly sanctify the LORD Numbers 20:12. Conversely, the use of H6945 (qâdêsh) and H6948 (qᵉdêshâh) for cultic prostitution starkly illustrates the perversion of true consecration, wherein the very act of "setting apart" is twisted for idolatrous and immoral ends.

In essence, H6942 defines the boundary between the sacred and the common, serving as a constant reminder of God's absolute otherness and His demand for a people set apart for Him. It encompasses both divine initiative and human imperative, guiding Israel in their worship, their conduct, and their testimony, all centered on the holiness of the LORD.

Grammatical Forms

In the Hebrew Old Testament, this word appears as a verb and a noun across 173 occurrences, inflected in 58 grammatical forms.

  • Piel Consecutive Perfect 2nd Singular Masculine 12×
  • Piel Consecutive Imperfect 3rd Singular Masculine 11×
  • Piel Infinitive Construct 11×
  • Piel Imperative 2nd Plural Masculine 10×
  • Piel Participle Singular Masculine Construct
  • Hiphil Perfect 1st Singular common gender
  • Hiphil Perfect 3rd Singular Masculine
  • Hithpael Imperative 2nd Plural Masculine
  • Hiphil Imperfect 3rd Singular Masculine
  • Qal Imperfect 3rd Singular Masculine
  • Hiphil Infinitive Construct
  • Niphal Consecutive Perfect 1st Singular common gender

+ 46 rarer forms

Singular
One.
Plural
More than one.
Masculine
Masculine grammatical gender.
common gender
Either gender — the form does not distinguish.
1st
First person — the speaker ("I"/"we").
2nd
Second person — the one addressed ("you").
3rd
Third person — the one spoken about ("he"/"they").
Imperfect
Ongoing or repeated action in the past — "was doing".
Perfect
A completed act whose results continue.
Imperative
A command or entreaty.
Infinitive
The verb as a noun — "to do".
Participle
A verbal adjective — describes while carrying the verb's action.
Qal
The simple, basic stem — plain action in the active voice.
Niphal
Simple passive or reflexive of the Qal.
Piel
The intensive stem — strengthened or emphatic action.
Hiphil
The causative stem — the subject causes the action.
Hithpael
Reflexive-intensive — the subject acts upon itself.
Consecutive Imperfect
Imperfect with vav — carries narrative forward ("and he…").
Consecutive Perfect
Perfect with vav — continues a sequence into the future.
Construct
Bound to a following noun — "the X of…".

Theographic Context

Biblical Distribution

Appears in 153 verses across 23 books. Most frequent in Leviticus (29 verses).

1
Genesis
25
Exodus
29
Leviticus
10
Numbers
4
Deuteronomy
3
Joshua
1
Judges
3
1 Samuel
2
2 Samuel
3
1 Kings
2
2 Kings
7
1 Chronicles
20
2 Chronicles
1
Ezra
3
Nehemiah
1
Job
7
Isaiah
9
Jeremiah
15
Ezekiel
4
Joel
1
Micah
1
Zephaniah
1
Haggai

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