Definition of lassitude:
drowsiness, torpidness, inanition, listlessness, uninterest, drooping, remissness, fag, laxness, the dumps, weariness, leadenness, laxity, dreaminess, inertia, indifference, exhaustion, stolidity, insensibleness, hebetude, dullness, spring fever, prostration, phlegm, insensibility, stupor, inappetence, incuriosity, tiredness, flatness, torpor, stolidness, sluggishness, yawning, stupor, feelings, disinterest, apathy, supineness, action, torpidity, languor, hebetude, faintness, burnout, indifference, dullness, heaviness, slack, slackness, impassivity, ennui, languidness, stupefaction, unresponsiveness, unconcern, apathy, fatigue, incuriousness, lethargy.
I never forget that original disheartening blow, and how that from it sprang all the ills of his life- everything connected with his gloom, and the lassitude in business we used so often to see about him.- "Desperate Remedies", Thomas Hardy.
- "The Works of the Right Honourable Edmund Burke, Vol. V. (of 12)", Edmund Burke.
- "The Genius", Margaret Horton Potter.