/ Thesaurus / S Synonyms of sleeping bag Find synonyms for: Noun1. sleeping bag, bagusage: large padded bag designed to be slept in outdoors; usually rolls up like a bedrollWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language