/ Thesaurus / G Synonyms of genus senecio Find synonyms for: Noun1. Senecio, genus Senecio, asterid dicot genususage: enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weedsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language