悔しい くやしい frustrated (over a failure N2 #9,320 Meanings i-adjective frustrated (over a failure, humiliation or injustice); annoyed; chagrined; (bitterly) disappointed; bitter; vexed; frustrating; annoying; regrettable Its kanji 悔 カイ · く.いる、く.やむ、くや.しい repent, regret In sentences Furigana 悔くやしかった。 I was frustrated. #11485780