/ Thesaurus / U Synonyms of unpowered Find synonyms for: Adjective1. unpowered (vs. powered)usage: not having or using power; "an autogiro is supported in flight by unpowered rotating wings"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language