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[om-nish-uh nt] /ɒmˈnɪʃ ənt/
having complete or unlimited knowledge, awareness, or understanding; perceiving all things.
an omniscient being.
the Omniscient, God.
Origin of omniscient
1595-1605; < New Latin omniscient-, stem of omnisciēns, equivalent to Latin omni- omni- + scient- knowing; see science
Related forms
omnisciently, adverb
unomniscient, adjective
unomnisciently, adverb
Can be confused
omnipotent, omniscient. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for omniscient
Contemporary Examples
Historical Examples
  • Had she lived, the omniscient only knows what grief and mortification might have darkened her pathway.

    Husks Marion Harland
  • Hetty would have liked to be omniscient that she might procure for him all he could desire.

  • The omniscient, omnipotent, and infinite Deity, of what can he be jealous?

    The Bible: what it is Charles Bradlaugh
  • She did not even ask me what I meant; as if the greatness of her soul was omniscient.

    Romance Joseph Conrad and F.M. Hueffer
  • Because He is omniscient, and we cannot hide anything from Him, not even our thoughts.

  • Aum, the Absolute, the omniscient, is always typified by a circle.

  • As they certainly are omnipotent, and profess to be omniscient, it is only to be supposed that they should be omnipresent.

  • Even if the bureaucracy were omniscient, such a condition of life would be intolerable.

    Socialism John Spargo
British Dictionary definitions for omniscient


having infinite knowledge or understanding
having very great or seemingly unlimited knowledge
Derived Forms
omniscience, noun
omnisciently, adverb
Word Origin
C17: from Medieval Latin omnisciens, from Latin omni- + scīre to know
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
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Word Origin and History for omniscient

c.1600, from Modern Latin omniscientem (nominative omnisciens), back-formation from Medieval Latin omniscientia (see omniscience). Related: Omnisciently.

Online Etymology Dictionary, © 2010 Douglas Harper
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