adjective

  1. frustrated (over a failure, humiliation or injustice), annoyed, chagrined, (bitterly) disappointed, bitter, vexed, frustrating, annoying, regrettable.

Variations

Pronunciation Kanji Kana Is Common
 
 
悔しい くやしい
 
 
口惜しい くやしい
 
 
 
悔やしい くやしい

Contained Kanji Breakdown

repent, regret
くや.しい カイ く.いる (8th, N1)
heart, standing heart radical variant (no. 61)
シン こころ
every
マイ ごと つね (2nd, N5)
person(人) variant
do not, must not, be not
ブ ム はは (Kentei 1)