[ 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 formsom·nis·cient·ly, adverbun·om·nis·cient, adjectiveun·om·nis·cient·ly, adverb
Can be confusedomnipotent omniscient Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for omnisciently


/ (ɒmˈnɪsɪənt) /


having infinite knowledge or understanding
having very great or seemingly unlimited knowledge
Derived Formsomniscience, nounomnisciently, adverb

Word Origin for omniscient

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

Word Origin and History for omnisciently



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

Online Etymology Dictionary, © 2010 Douglas Harper