かったるい

i-adjective

listless; sluggish; languid

Describes a heavy, lethargic feeling of not wanting to do anything; often used for physical or mental fatigue.

• 今日きょうはなんだかかったるくて、何なにもする気きが起おきない。

  I feel kind of listless today and can't bring myself to do anything.

i-adjective

irritating; tiresome; exasperating

Expresses that something is bothersome or a hassle, making one feel annoyed or reluctant to deal with it.

• 毎まい回かい同おなじ説せつ明めいをするのがかったるい。

  It's tiresome having to give the same explanation every time.