### Core Meaning & Semantic Range
The Greek word χίλιοι (chílioi), `{{G5507}}`, functions primarily as a numerical adjective meaning "a thousand." As indicated by its base definition, it is a plural form, consistently denoting a quantity of one thousand units. Its semantic range is quite narrow, centered almost exclusively on this precise numerical value. Unlike some numbers in biblical literature that carry inherent symbolic weight (e.g., "seven" for completeness, "twelve" for divine order), χίλιοι itself does not inherently possess a deep symbolic meaning beyond its quantitative function. However, the *context* in which "a thousand" appears can imbue it with significance, often suggesting a vast, numerous, or divinely appointed period or quantity.
### Biblical Occurrences & Contextual Analysis
The term χίλιοι (chílioi) appears 23 times in the New Testament, with 22 of these occurrences concentrated within the Book of Revelation, highlighting its particular eschatological importance. Its most prominent and theologically debated usage is in Revelation 20, where it describes the "thousand years" of Christ's reign:
* [[Revelation 20:2]]: Satan is bound for "a thousand years."
* [[Revelation 20:3]]: Satan is cast into the abyss and sealed, "so that he might not deceive the nations any longer, until the thousand years were completed."
* [[Revelation 20:4]]: Those who reign with Christ "lived and reigned with Christ for a thousand years."
* [[Revelation 20:5]]: This is "the first resurrection. The rest of the dead did not come to life until the thousand years were completed."
* [[Revelation 20:6]]: Those who participate in the first resurrection are blessed and holy, and "they will reign with Him for a thousand years."
* [[Revelation 20:7]]: After "the thousand years are completed, Satan will be released from his prison."
The consistent repetition of "a thousand years" in this passage underscores a specific, divinely ordained duration. Whether this period is to be understood as a literal 1,000-year span or a symbolic representation of a long, indefinite, but complete period, is a central point of eschatological interpretation.
Beyond Revelation 20, χίλιοι also appears in other significant contexts within Revelation:
* [[Revelation 5:11]]: Describing the number of angels around the throne as "thousands of thousands" (μυριάδες μυριάδων καὶ χίλιαι χιλιάδων), emphasizing an innumerable host.
* [[Revelation 7:4]] and [[Revelation 14:1]]: As part of the "hundred and forty-four thousand" (ἑκατὸν τεσσεράκοντα τέσσαρες χιλιάδες), referring to the sealed of Israel or those redeemed from the earth. Here, χίλιοι is a component of a larger, numerically precise figure, which itself carries symbolic weight for many interpreters.
The single occurrence outside Revelation is in [[2 Peter 3:8]], where it states, "But do not overlook this one fact, beloved, that with the Lord one day is as a thousand years, and a thousand years as one day." This verse, drawing from [[Psalm 90:4]] (LXX), uses χίλιοι to emphasize God's transcendence over human concepts of time, where vast durations are insignificant to the eternal God. This usage highlights the concept of "a thousand" as a significant, yet ultimately finite, measure in contrast to divine eternity.
### Related Words & Concepts
The primary related concept to χίλιοι is numerical quantity. Other Greek words denoting large numbers include:
* μυριάς (myrias), `{{G3461}}`: ten thousand, used in [[Revelation 5:11]] alongside χίλιοι to express immense numbers.
* ἑκατόν (hekaton), `{{G1540}}`: one hundred, as seen in "one hundred and forty-four thousand."
In the Old Testament (Septuagint), the Hebrew equivalent for "thousand" is אֶלֶף ('eleph), `{{H505}}`. This term is widely used to denote both literal thousands and, at times, to represent a large, unspecified multitude (e.g., "thousands of Israel"). The consistent translation of אֶלֶף as χίλιοι in the LXX provides a backdrop for its New Testament usage.
The concept of a "millennium" (from Latin *mille* "thousand" and *annum* "year") is directly derived from the repeated use of χίλιοι in Revelation 20. Thus, chiliasm (the belief in a literal thousand-year reign) is inextricably linked to this word.
### Theological Significance
The theological significance of χίλιοι is almost entirely concentrated on the concept of the "millennium" as described in Revelation 20. This passage is foundational for various eschatological viewpoints:
* **Premillennialism**: Interprets the "thousand years" literally as a future earthly reign of Christ following His second coming and preceding the final judgment. The literal numerical value of χίλιοι is central to this view.
* **Amillennialism**: Interprets the "thousand years" symbolically, representing the entire period between Christ's first and second comings, or the present spiritual reign of Christ from heaven. In this view, χίλιοι signifies a long, complete, but not necessarily literal, period.
* **Postmillennialism**: Interprets the "thousand years" as a golden age of righteousness and peace on earth, brought about by the church's influence, which *precedes* Christ's second coming. While not always strictly literal, it still views χίλιοι as a significant period of flourishing.
The debate over the literal versus symbolic interpretation of χίλιοι in Revelation 20 profoundly impacts understandings of Christ's return, the nature of the kingdom of God, and the ultimate destiny of humanity and the earth. Beyond Revelation 20, the use of χίλιοι in phrases like "thousands of thousands" ([[Revelation 5:11]]) contributes to the biblical portrayal of the vastness and majesty of God's heavenly hosts and the innumerable multitude of His redeemed people. In [[2 Peter 3:8]], χίλιοι serves to emphasize God's eternal nature and His non-linear perception of time, providing comfort and perspective regarding the timing of the Lord's return.
### Summary
The Greek word χίλιοι (chílioi), `{{G5507}}`, strictly denotes "a thousand." While its core meaning is numerical, its overwhelming concentration in the Book of Revelation elevates it to a term of profound theological significance. Its repeated use in [[Revelation 20]] to describe the "thousand years" of Christ's reign forms the bedrock for various millennial interpretations, shaping diverse eschatological frameworks concerning the end times and the nature of God's kingdom. Additionally, χίλιοι contributes to the portrayal of immense quantities, such as the vast angelic choirs or the sealed multitude, and in [[2 Peter 3:8]], it highlights God's transcendence over human temporal limitations. Thus, χίλιοι functions as a precise numerical quantifier that, in its biblical context, often points to divinely appointed durations or immeasurable quantities within God's sovereign plan.