/ Thesaurus / O Synonyms of of the essence Find synonyms for: Adjective1. all-important(prenominal), all important(predicate), crucial, essential, of the essence(predicate), important (vs. unimportant), of importusage: of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language