Breadcrumb Home > Thesaurus > O Synonyms of omniscience Find synonyms for: Noun 1. omniscience, state usage: the state of being omniscient; having infinite knowledge WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of omniscience (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language