Breadcrumb Home > Thesaurus > L Synonyms of lassitude Find synonyms for: Noun 1. lethargy, lassitude, sluggishness, torpor, torpidity usage: a state of comatose torpor (as found in sleeping sickness) 2. languor, lassitude, listlessness, apathy usage: a feeling of lack of interest or energy 3. inanition, lassitude, lethargy, slackness, weakness usage: weakness characterized by a lack of vitality or energy WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of lassitude (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language