lassitude
[noun]
Synonyms: fatigue, exhaustion, tiredness, weariness, apathy, disinterest, disregard, heedlessness, indifference, insouciance, lethargy, listlessness, unconcern, unmindfulness, dullness, hebetude, languor, sleep, slumber, stupor, torpidity, torpidness, torpor

---

Antonyms: vigor
Contrasted words: energy, force, might, power, strength
Related Words: doldrums, ennui, tedium, blues, depression, dumps, impotence, powerlessness

[TahlilGaran] English Synonym Dictionary ▲

las‧si‧tude /ˈlæsətjuːd, ˈlæsɪtjuːd $ ˈlæsətjuːd, -tuːd/ noun [uncountable] formal
[Date: 1400-1500; Language: French; Origin: Latin lassitudo, from lassus 'tired']
tiredness and lack of energy or interest Synonym : weariness

[TahlilGaran] Dictionary of Contemporary English ▲