Hyphenation
 las·si·tudeSynonyms
 apathy, 
dullness, 
exhaustion, 
fatigue, 
idleness, 
inaction, 
inactivity, 
languor, 
laziness, 
listlessness, 
sleepiness, 
sluggishness, 
tiredness, 
torpor, 
weaknessPronunciation
 Etymology
  ()  From French lassitude Latin lassitūdō (“faintness, weariness”) lassus (“faint, weary”), perhaps for *ladtus, and thus akin to E. late.