languor Copy link Outline 1. languor (of body or mind; of the former, usu. fatigue or sickness2. expr. by neut. of languĭdus3. marcor (chiefly in late writers) • languor: 1. languor (of body or mind; of the former, usu. fatigue or sickness: q. v.): repose and solitude cause l. (inaction, laziness), l. afferunt hominibus otium et solitudo, Cic. Off. init. See also listlessness. 2. expr. by neut. of languĭdus: esp. as part gen.: no l. or slackness, nihil languidi neque remissi. Sall. Jug. 53. 3. marcor (chiefly in late writers): l. and irresistible drowsiness, m. et inexpugnabilis dormiendi necessitas, Cels. 3, 20: l. (want of vigour) in a general, m. ducis, Vell. 2, 119.