けだるい

i-adjective

languid; listless

Describes a heavy, sluggish feeling of the body or mind, often due to tiredness, heat, or lack of motivation.

• 夏なつの暑あつさで、一いち日にち中じゅうけだるかった。

  I felt languid all day because of the summer heat.

• けだるい気き分ぶんで、何なにもする気きが起おきない。

  I feel so listless that I can't bring myself to do anything.