[ thee-iz-uh m ]
/ ˈθi ɪz əm /


the belief in one God as the creator and ruler of the universe, without rejection of revelation (distinguished from deism).
belief in the existence of a god or gods (opposed to atheism).

Nearby words

  1. theine,
  2. their,
  3. theirn,
  4. theirs,
  5. theirself,
  6. theiss,
  7. theist,
  8. theistic,
  9. thelarche,
  10. thelazia

Origin of theism

First recorded in 1670–80; the- + -ism

Related forms
Can be confusedatheist deist theist Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for theistic

British Dictionary definitions for theistic


/ (ˈθiːɪzəm) /


the form of the belief in one God as the transcendent creator and ruler of the universe that does not necessarily entail further belief in divine revelationCompare deism
the belief in the existence of a God or godsCompare atheism

Word Origin for theism

C17: from Greek theos god + -ism

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for theistic
Online Etymology Dictionary, © 2010 Douglas Harper