lassitude
noun
[ ˈlasɪtjuːd ]
• a state of physical or mental weariness; lack of energy.
• "she was overcome by lassitude and retired to bed"
Similar:
lethargy,
listlessness,
weariness,
languor,
sluggishness,
enervation,
tiredness,
exhaustion,
fatigue,
sleepiness,
drowsiness,
torpor,
torpidity,
ennui,
lifelessness,
sloth,
apathy,
Origin:
late Middle English: from French, from Latin lassitudo, from lassus ‘tired’.