listless Copy link Outline 1. languĭdus (lacking life and energy)2. rĕmissus (slack, wanting vigour)3. lentus • listless: 1. languĭdus (lacking life and energy): to be somewhat l. about a cause, languidiore esse studio in aliqua re, Cic. Lig. 9, 28. Join: languidus atque iners, id. Sen. 8, 26. 2. rĕmissus (slack, wanting vigour): l. (careless) in canvassing, in petendo r., Cic. Mur. 26, 52. Esp. with preced.: remissus ac languidus [animus], Caes. B. C. 1, 21: Sall.: v. foll. art. 3. lentus: v. cool (III.), indifferent. See also inactive, indolent.