/ Thesaurus / F Synonyms of family onagraceae Find synonyms for: Noun1. Onagraceae, family Onagraceae, evening-primrose family, rosid dicot familyusage: a large and widely distributed family of plants of the order MyrtalesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language