(grammar) adversative, contrastive; a particle or conjunction that joins two phrases and indicates that their meanings contrast or differ from one another or from expectation

high treason

in reverse order, opposite sequence, inverse / contrary to reason

the situation reverses itself; the tables are turned; the shoe is on the other foot

(shogi, chess) cross-check

(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)

(slang) when a woman hits on a man

reverse playback

massacre / genocide, holocaust

massacre, genocide