/ Thesaurus / O Synonyms of origanum Find synonyms for: Noun1. origanum, herb, herbaceous plantusage: any of various fragrant aromatic herbs of the genus Origanum used as seasoningsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language