• synonyms


[mon-uh-thee-iz-uh m]
  1. the doctrine or belief that there is only one God.
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Origin of monotheism

First recorded in 1650–60; mono- + (poly)theism
Related formsmon·o·the·ist, noun, adjectivemon·o·the·is·tic, mon·o·the·is·ti·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for monotheism

Historical Examples

  • Here, it has been maintained, we see the Teutonic faith rising to monotheism.

    History of Religion

    Allan Menzies

  • Polytheism was dominant while their monotheism was as yet a persecuted belief.

  • The principle of monotheism could not allow such a conception as this.

  • Monotheism is the doctrine of belief that there is but one God.


    Elmer W. Cavins

  • The Jewish monotheism had left the crowd of gods unlessened.

British Dictionary definitions for monotheism


  1. the belief or doctrine that there is only one God
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Derived Formsmonotheist, noun, adjectivemonotheistic, adjectivemonotheistically, adverb
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 monotheism


"belief that there is but one god," 1650s, from Greek mono-, comb. form of monos "single, alone" (see mono-) + theos "a god" (see Thea).

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Online Etymology Dictionary, © 2010 Douglas Harper

monotheism in Culture


A belief in one god. Judaism, Christianity, and Islam are all monotheistic religions. (Compare polytheism.)

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.