/ Thesaurus / P Synonyms of prongbuck Find synonyms for: Noun1. pronghorn, prongbuck, pronghorn antelope, American antelope, Antilocapra americana, ruminantusage: fleet antelope-like ruminant of western North American plains with small branched hornsWordNet 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