く
 
だ
 
ら
 
な
 
い

adjective

Usually written with kana alone.
  1. trivial, trifling, insignificant, not worth bothering with, worthless, useless, good-for-nothing.
  2. stupid, nonsensical, absurd, foolish, silly.

Variations

Pronunciation Kanji Kana Is Common
 
く
 
だ
 
ら
 
な
 
い
くだらない ✔
くだ
下
 
ら
 
な
 
い
下らない くだらない ✔