/ Thesaurus / U Synonyms of unenrgetic Find synonyms for: Adjective1. lethargic (vs. energetic), unenrgetic, dazed, foggy, groggy, logy, stuporous, dreamy, lackadaisical, languid, languorous, listless, inactiveusage: deficient in alertness or activity; "bullfrogs became lethargic with the first cold nights"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language