► 動詞
悔やむ [(2)くやむ] meaning: regret rank: 1
☆ 彼女は彼に本当の気持ちを伝えなかったことを悔やんでいる ⇨ She regrets that she didn’t tell him her true feelings
悔しがる [(4)くやしがる] meaning: upset rank: 1
☆ 彼は僅差で負けて大変悔しがった ⇨ He was very upset that he had lost by the smallest margin (☛ Upset and disappointed because you lost some competition or got humiliated, and seek redemption)
悔いる [(2)くいる] [liter] meaning: regret rank: 3
☆ ここで諦めたら一生悔いることになるぞ ⇨ If you give up now, you’ll regret it for the rest of your life
悔い改める [(6)くいあらためる] meaning: repent rank: 3
☆ 悔改めよ！ ⇨ Repent!
► 名詞
悔い [(2)くい] meaning: regret rank: 2
☆ 全力を尽くしたから悔いは全く無い ⇨ I did my best so I have zero regret
► 形容詞
悔しい [(3)くやしい] meaning: upset rank: 1
☆ そんなに負けて悔しかったら頑張って腕を上げろ ⇨ If losing annoys you that much, then work hard and improve your skills (☛ Upset and disappointed because you lost some competition or got humiliated, and seek redemption)