Word.ws English Dictionary

Xenu

Xenu proper noun: an extraterrestrial galactic leader said to have transported aliens to Earth 75 million years ago and murdered them with hydrogen bombs at sites of volcanoes, turning them into thetans.

Proper noun

Xenu

  1. An extraterrestrial galactic leader said to have transported aliens to Earth 75 million years ago and murdered them with hydrogen bombs at sites of volcanoes, turning them into thetans.
    • He caused people to be brought to Teegeeack (Earth) and put an H Bomb on the principal volcanoes (Incident 2) and then the Pacific area ones were taken in boxes to Hawaii and the Atlantic Area ones to Las Palmas and there "packaged." His name was Xenu. He used renegades.Various misleading data by...1968, L. Ron Hubbard, OT III: Wall of Fire, archived from the original on 12 Jan 2013
    • The documents Scott took are a refinement of Hubbard’s account of Xemu, assertedly an evil tyrant who planted the seeds of aberrant behavior in people 75 million years ago. ¶ According to documents obtained previously by The Times in Los Angeles Superior Court, Hubbard contends that Xemu trapped...1985 November 23, Robert Welkos, Joel Sappell, “Scientologists Win Major Court Victory Over Defectors, Documents”, in Los Angeles Times, →ISSN, →OCLC, archived from the original on 12 Jul 2020

Examples of Xenu in a sentence

  • Cruise and Scientology, but stuck mostly to the church's actual beliefs, including such notions as frozen aliens and a Lord Xenu who ruled a galactic federation of planets.2006 March 24, Alessandra Stanley, “A 'South Park' Character's Return Becomes an Opportunity for Revenge”, in The New York Times, →ISSN...
  • That incident, the story of Xenu, is an extremely important incident theologically, because it explains why everyone is infested with body thetans here on earth.2008, Michael Streeter, Behind Closed Doors: The Power and Influence of Secret Societies, New Holland Publishers, page 219:
  • More than a few Scientologists read the Xenu story as “a bizarre science fiction story,” as one former member described it.2011, Janet Reitman, Inside Scientology: The Story of America's Most Secretive Religion, Houghton Mifflin, page 100:
  • A more elaborate version of the Xenu/Xemu story appears in a lecture attributed to Hubbard from September 1968, also now widely available online.2011, Hugh B. Urban, The Church of Scientology: A History of a New Religion, Princeton University Press, page 103:

Forms of Xenu

alternative formXemu

Origin of Xenu

From the works of L. Ron Hubbard, of unknown origin. Richard Abanes notes that a Journey into Mystery science fiction comic story featuring an alien warlord titled “Xemnu the Titan” (1961) was reprinted in 1967, the year that Hubbard composed the Xenu narrative.

Questions about Xenu

What does Xenu mean?
Xenu means an extraterrestrial galactic leader said to have transported aliens to Earth 75 million years ago and murdered them with hydrogen bombs at sites of volcanoes, turning them into thetans.
How do you use Xenu in a sentence?
Cruise and Scientology, but stuck mostly to the church's actual beliefs, including such notions as frozen aliens and a Lord Xenu who ruled a galactic federation of planets.
What part of speech is Xenu?
Xenu is a proper noun.

Words near Xenu in the dictionary

  1. xenozoonoses
  2. xenozoonosis
  3. xenozoonotic
  4. Xensi
  5. xenthiorate
  6. Xenu
  7. xenurine
  8. xenurines
  9. xenusian
  10. xenusians
  11. xenygloxal

Source and license

Adapted from Wiktionary: Xenu (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “Xenu.” Word.ws, https://word.ws/xenu. Based on Wiktionary, CC BY-SA 4.0.