かったるい

かったるい
i-adjective
sluggish, tedious, tiresome
1. sluggish, lethargic, heavy
Describes a physical feeling of tiredness or heaviness in the body.
(からだ)がかったるい。
My body feels sluggish.
(あさ)からかったるいな。
I feel sluggish since this morning.
風邪(かぜ)(あと)でまだかったるい。
I still feel lethargic after the cold.
2. tedious, bothersome, tiresome
Describes something that feels like too much effort or is annoying to deal with.
説明(せつめい)するのかったるい。
Explaining is such a pain.
この作業(さぎょう)かったるいなあ。
This task is so tedious.
毎回(まいかい)(おな)じこと()うの、かったるいよ。
It's tiresome saying the same thing every time.

かったるい is a casual word expressing both physical sluggishness and mental tedium. It derives from ()だるい (listless, languid).

A shorter variant たるい is also used in casual speech with the same meanings.

This word is commonly used in spoken Japanese, especially by younger speakers, to express a lack of motivation or energy.