listlessness
/ˈlɪstləsnəs/
noun
- A state of having no energy, interest, or enthusiasm; feeling tired and unwilling to do things.
- After the long illness, she struggled with listlessness and could barely get out of bed.
- The hot, humid weather caused a general listlessness among the office workers.
- His listlessness worried his parents, who thought he might be depressed.
Antonyms