(judo) twist an opponent's arm / underhand grip / turn the tables on someone

a surname

reversibility / (mathematics) invertibility / (information theory) lossless

torment of oneself

check valve

regicide

(historical) the eight unpardonable crimes in ancient Japanese law, consisting of 謀反(むへん) (muhen), 謀大逆(ぼうたいぎゃく) (bōtaigyaku), 謀叛(むほん) (muhon), 悪逆(あくぎゃく) (akugyaku), 不道(ふどう) (fudō), 大不敬(だいふけい) (daifukei), 不孝(ふこう) (fukō), 不義(ふぎ) (fugi)

(card games) koi-koi, cassino-like Japanese card game

Kyūjitai form of 残酷 (“cruelty”)

Alternative form of 惨たらしい