/ Thesaurus / R Synonyms of redhorse sucker Find synonyms for: Noun1. redhorse, redhorse sucker, suckerusage: North American sucker with reddish finsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: maritime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language