What does chiliast mean?
A chiliast is a person who holds to chiliasm, the belief that Jesus Christ will return to earth to reign visibly for a thousand years before the final judgment. The word derives from the Greek chilioi, meaning 'thousand', and corresponds closely to the Latin-derived term 'millenarian'. Chiliaism was prominent among some early Christian writers, who read the Book of Revelation's thousand-year period literally as a future earthly kingdom, though later mainstream theology often came to interpret the millennium symbolically rather than physically. Chiliasts are therefore most commonly discussed in histories of early Christianity and of radical Protestant movements, particularly during periods of religious upheaval when expectations of Christ's imminent return ran high. Today the term appears almost exclusively in theological, historical, and academic contexts, where precision matters: a chiliast expects a literal, earthly millennium, distinguishing them from those who understand the thousand years figuratively. Its adjective form, chiliastic, describes doctrines or writings associated with this expectation.
nounA person who believes in chiliasm, the doctrine that Christ will return to reign on earth for a thousand years before the final judgment; a millenarian.
- A believer in the millennium, specifically that Christ will return to rule on earth for a thousand years before the Last Judgment.
"As a convinced chiliast, she interpreted the book of Revelation as a literal prophecy of Christ's thousand-year reign on earth."
"The early church father Papias is often described as a chiliast for his expectation of an earthly millennial kingdom."
"In seventeenth-century England, many radical Protestants were chiliasts who anticipated the imminent establishment of Christ's thousand-year reign."
Regular plural formation; used when referring collectively to believers in the millennium, especially in historical surveys of movements or groups.
"Seventeenth-century chiliasts across Europe published pamphlets predicting the imminent dawn of Christ's earthly kingdom."
A chiliast doesn't count calories — they count millennia: one thousand literal years of Christ's kingdom on earth.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of chiliast
Chiliast comes from the Greek khilioi, meaning 'thousand', via the ecclesiastical Greek term khiliasmos for the doctrine of the thousand-year reign. It entered English scholarly usage around the early modern period, alongside its sibling forms chiliasm and chiliastic, as writers on church history sought a Greek-based alternative to the Latin-rooted vocabulary of millenarianism. Cognates from the same Greek root include chiliadic ('relating to a thousand') and, through Latin transliteration of the root, the metric prefixes kilo- seen in kilometer and kilogram.
Related word forms
How chiliast is actually used
A formal, chiefly theological and historical term, encountered mainly in academic writing about eschatology and church history. It is largely interchangeable with 'millenarian' and 'millennialist', though it more strongly connotes belief in a literal, earthly thousand-year reign rather than a symbolic one. It carries no inherent negative connotation, though it may be used polemically in debates between premillennialist and amillennialist theologians.
Easily confused with chiliast
Chiliastic is the adjective describing beliefs relating to the thousand-year reign, while chiliast is the noun denoting the person who holds such beliefs.