las ‧ si ‧ tude /ˈlæsətjuːd, ˈlæsɪtjuːd $ ˈlæsətjuːd, -tuːd/ BrE AmE noun [uncountable] formal
[ Date: 1400-1500 ; Language: French ; Origin: Latin lassitudo , from lassus 'tired' ]
tiredness and lack of energy or interest SYN weariness
las ‧ si ‧ tude /ˈlæsətjuːd, ˈlæsɪtjuːd $ ˈlæsətjuːd, -tuːd/ BrE AmE noun [uncountable] formal
[ Date: 1400-1500 ; Language: French ; Origin: Latin lassitudo , from lassus 'tired' ]
tiredness and lack of energy or interest SYN weariness
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012