/ Thesaurus / S Synonyms of sweat pants Find synonyms for: Noun1. sweat pants, sweatpants, trouser, pantusage: loose-fitting trousers with elastic cuffs; worn by athletesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language