く
　
た
　
び
　
れ
　
る

Ichidan verb, intransitive verb

Usually written with kana alone.
  1. to get tired, to become exhausted, to grow weary.
  2. to become worn out, to become battered (from long use).

auxiliary verb, Ichidan verb

Usually written with kana alone. After the -masu stem of a verb.
  1. to get tired of (doing), to get fed up with.

Variations

Pronunciation Kanji Kana Is Common
　
く
　
た
　
び
　
れ
　
る
 くたびれる ✔
くたび
草臥
　
れ
　
る
 草臥れる くたびれる ✔