大逆|たいぎゃくtaigyaku

1. nounhigh treason

• Synonym大逆罪たいぎゃくざいFormalFormal term for the grave crime of killing one's lord or parents; also the old criminal code's offence of harming the emperor or imperial family.
• Related謀反むほんWrittenWritten; rising in arms against one's lord. Unlike 「大逆」 it names the act of rebellion itself, not a moral atrocity, and is the more common word in historical accounts.
• Related乱逆らんぎゃくWrittenWritten and rare; armed resistance against a ruler, close to 「謀反」. Unlike 「大逆」 it stresses forceful revolt and is seldom used in everyday language.
• Related反逆罪はんぎゃくざいFormalFormal legal term for treason against the state or a monarch, often in historical or foreign-law contexts; modern Japanese law instead uses 「内乱罪」 and 「外患罪」.
• Antonym忠義ちゅうぎWrittenWritten word for loyal, devoted service to one's lord; the moral opposite of 「大逆」, which betrays human decency.

Use 「大逆」 for a great crime against human morals, such as killing one's lord or parents; written, as in 「大逆無道」 and 「大逆事件」. For armed revolt against a lord pick 「謀反」; for the legal charge of treason, 「反逆罪」; 「大逆罪」 names the formal offence; 「忠義」 is its antonym.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 人ひとの道みちに背そむくような悪逆あくぎゃくな行おこない。