/ Thesaurus / H Synonyms of horseback rider Find synonyms for: Noun1. horseman, equestrian, horseback rider, riderusage: a man skilled in equitationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language