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. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: prepossessing Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language