hebetude (n.)
- acedia
- aloofness
- apathy
- asininity
- ataraxia
- blah
- blahs
- boorishness
- boredom
- coma
- comatoseness
- crassness
- crudeness
- denseness
- density
- detachment
- dimness
- disinterest
- dispassion
- drowsiness
- dullness
- dumbness
- enervation
- ennui
- fatigue
- grossness
- heartlessness
- heaviness
- hopelessness
- indifference
- insouciance
- languor
- lassitude
- lenitude
- lethargy
- lifelessness
- listlessness
- nonchalance
- numbness
- obtuseness
- opacity
- oscitancy
- passiveness
- passivity
- phlegm
- resignation
- sleep
- sleepiness
- sloth
- slothfulness
- slowness
- sluggishness
- slumber
- somnolence
- sopor
- sottishness
- spiritlessness
- stolidity
- stupefaction
- stupidity
- stupor
- torpidity
- torpidness
- torpor
- unconcern
- weariness
- withdrawnness
- world-weariness
