Breadcrumb Home > Thesaurus > P Synonyms of pack animal Find synonyms for: Noun1. pack animal, sumpter, beast of burden, jumentusage: an animal (such as a mule or burro or horse) used to carry loadsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language