/ Thesaurus / O Synonyms of othonna Find synonyms for: Noun1. othonna, shrub, bushusage: a South African plant of the genus Othonna having smooth often fleshy leaves and heads of yellow flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language