[ mon-uh-thee-iz-uh m ]
/ ˈmɒn ə θiˌɪz əm /


the doctrine or belief that there is only one God.

Nearby words

  1. monosymptomatic,
  2. monosynaptic,
  3. monotask,
  4. monotechnic,
  5. monoterpene,
  6. monotheist,
  7. monotheistic,
  8. monothelite,
  9. monothematic,
  10. monotherapy

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for monotheism

British Dictionary definitions for monotheism


/ (ˈmɒnəʊθɪˌɪzəm) /


the belief or doctrine that there is only one God
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).

Online Etymology Dictionary, © 2010 Douglas Harper

Culture definitions for monotheism


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

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.