lethargic
🇺🇸
/ləˈθɑːrdʒɪk/
🇬🇧
/ləˈθɑːdʒɪk/
Feeling very tired and not wanting to do anything.
After a long night of studying, she felt lethargic and couldn't focus in class.
長い勉強の夜明けになって、彼女はだるくて授業に集中できなかった。