Word.ws English Dictionary

thetan

Syllables: the·tan/ˈθeɪ.tən/

thetan noun: a soul, spirit or being.

Noun

thetan (plural thetans)

  1. A soul, spirit or being.
    • Actually a thetan is in a very, very small amount of mass. From some experiments conducted about fifteen or twenty years ago – a thetan weighed about 1.5 ounces!1972, Report of the Commission of Enquiry into Scientology for 1972 (R. P. 55/1973), Pretoria: Government Printer, →ISBN, →OCLC, page 198
    • According to Scientology doctrine, each human being is actually a thetan or spirit, an immortal, godlike expression of the life force (theta). […] In his writings, Hubbard traces the existence of this life force back trillions of years. In the beginning theta was separate from the physical...2009, David G. Bromley, “Making Sense of Scientology: Prophetic, Contractual Religion”, in James R. Lewis, editor, Scientology, Oxford: Oxford University Press, →ISBN, page 91

Forms of thetan

pluralthetans

Origin of thetan

c. Mid 20th c., Coined by Scientology founder L. Ron Hubbard, from theta + -n, from Ancient Greek θῆτα (thêta, “theta”), used in Scientology to represent the source of life.

Words that rhyme with thetan

Questions about thetan

What does thetan mean?
Thetan means a soul, spirit or being.
What part of speech is thetan?
Thetan is a noun.
How do you pronounce thetan?
Thetan is pronounced /ˈθeɪ.tən/.
What is the plural of thetan?
The plural of thetan is thetans.

Words near thetan in the dictionary

  1. theta wave
  2. theta waves
  3. theta-delta
  4. theta-deltas
  5. thetaform
  6. thetan
  7. thetans
  8. thetanullwert
  9. thetanullwerte
  10. thetaprobe
  11. thetaprobes

Source and license

Adapted from Wiktionary: thetan (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.

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