[ thee-iz-uhm ]
See synonyms for: theismtheistictheist on

  1. the belief in one God as the creator and ruler of the universe, without rejection of revelation (distinguished from deism).

  2. belief in the existence of a god or gods (opposed to atheism).

Compare Meanings

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Origin of theism

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

Other words from theism

  • the·ist [thee-ist], /ˈθi ɪst/, noun, adjective
  • the·is·tic, the·is·ti·cal, adjective
  • the·is·ti·cal·ly, adverb
  • non·the·is·tic, adjective
  • non·the·is·ti·cal, adjective
  • non·the·is·ti·cal·ly, adverb
  • un·the·is·tic, adjective
  • un·the·is·ti·cal, adjective
  • un·the·is·ti·cal·ly, adverb

Words that may be confused with theism

Words Nearby theism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use theism in a sentence

  • In work after work dealing with theism one looks in vain for some definition of "God."

    Theism or Atheism | Chapman Cohen
  • In his championship of theism our scientist forgets his science.

    Theism or Atheism | Chapman Cohen

British Dictionary definitions for theism


/ (ˈθiːɪzəm) /

  1. 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 revelation: Compare deism

  2. the belief in the existence of a God or gods: Compare atheism

Origin of 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