hebetude

from WordNet (r) 3.0 (2006)

hebetude
    n 1: mental lethargy or dullness

from The Collaborative International Dictionary of English v.0.48

Hebetude \Heb"e*tude\, n. [L. hebetudo.]
   Dullness; stupidity. --Harvey.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

109 Moby Thesaurus words for "hebetude":
      acedia, aloofness, apathy, asininity, ataraxia, ataraxy,
      benumbedness, blah, blahs, blockishness, boobishness, boorishness,
      boredom, bovinity, cloddishness, coma, comatoseness, crassness,
      crudeness, denseness, density, detachment, dim-wittedness, dimness,
      disinterest, dispassion, doltishness, drowsiness, dull-wittedness,
      dullardism, dullness, dumbness, duncery, enervation, ennui,
      fatigue, grossness, heartlessness, heaviness, hopelessness,
      inanimation, inappetence, indifference, insouciance, jadedness,
      lack of appetite, lackadaisicalness, languidness, languishment,
      languor, languorousness, lassitude, lenitude, lentor,
      lethargicalness, lethargy, lifelessness, listlessness, loutishness,
      lumpishness, ninnyism, nonchalance, numbness, oafdom, oafishness,
      obtuseness, opacity, oscitancy, passiveness, passivity, phlegm,
      phlegmaticalness, phlegmaticness, plucklessness, resignation,
      resignedness, satedness, simpletonianism, sleep, sleepiness, sloth,
      slothfulness, slowness, sluggishness, slumber, somnolence, sopor,
      soporifousness, sottishness, spiritlessness, spunklessness,
      stolidity, stupefaction, stupidity, stupor, supineness,
      thick-headedness, thick-wittedness, torpidity, torpidness,
      torpitude, torpor, unconcern, unteachability, weariness,
      withdrawnness, world-weariness, wrongheadedness, yokelism