Weakness characterized by a lack of vitality or energy.

synonyms: lassitude, lethargy, slackness.

Roget 158: impotence; inability, disability; disablement, impuissance, imbecility; incapacity, incapability; inaptitude, ineptitude, incompetence, unproductivity^†; indocility^†; invalidity, disqualification; inefficiency, wastefulness.    telum imbelle [Lat.], brutum fulmen [Lat.], blank, blank cartridge, flash in the pan, vox et proeterea nihil [Lat.], dead letter, bit of waste paper, dummy; paper tiger; Quaker gun.    inefficacy etc. (inutility) 645^†; failure etc. 732.    helplessness etc. adj.; prostration, paralysis, palsy, apoplexy, syncope, sideration^†, deliquium [Lat.], collapse, exhaustion, softening of the brain, inanition; emasculation, orchiotomy [Med.], orchotomy [Med.].    cripple, old woman, muff, powder puff, creampuff, pussycat, wimp, mollycoddle; eunuch.    ... show more

Roget 640: insufficiency; inadequacy, inadequateness; incompetence etc. (impotence) 158; deficiency etc. (incompleteness) 53; imperfection etc. 651; shortcoming etc. 304; paucity; stint; scantiness etc. (smallness) 32; none to spare, bare subsistence.    scarcity, dearth; want, need, lack, poverty, exigency; inanition, starvation, famine, drought.    dole, mite, pittance; short allowance, short commons; half rations; banyan day.    emptiness, poorness etc. adj.; depletion, vacancy, flaccidity; ebb tide; low water; a beggarly account of empty boxes" [Romeo and Juliet]; indigence etc. 804; insolvency etc. (nonpayment) 808.    ... show more

Dutch: lethargie

Exhaustion resulting from lack of food.