1) 悔くやしい #1,338 Inflections of 悔しい Class I-adjective Stem Inflected ending ✕ Link copied! Common N2 くやしい [3] Meaning Shirabe I-adjective frustrated (over a failure, humiliation or injustice); annoyed; chagrined; (bitterly) disappointed; bitter; vexed; frustrating; annoying; regrettable 監督かんとくはチームをトーナメント優勝ゆうしょうに今一いまいち歩あゆみという所ところまでもっていったのに悔くやしいことだった。 It was annoying, as the manager took his team to a near-miss in the tournament. Kanji 悔 カイ repent, regret Forms 悔しい#1,338悔くやしい口惜しい#19,993口惜くやしいくやしいくやしい