listless
US /ˈlɪst.ləs/
UK /ˈlɪst.ləs/

形容詞
1.
無気力な
having no energy and enthusiasm and unwilling to do anything needing effort:
例:
•
He's seemed listless and a little depressed ever since he got his test scores.
Lingolandでこの単語を学ぶ

無気力な
having no energy and enthusiasm and unwilling to do anything needing effort: