悪あく逆ぎゃく無む道どうあくぎゃくむどうMeanings1na-adjective, noun which may take the genitive case particle 'no'treacherous; heinous; atrociousyojijukugo (four-character idiom)›A strong, literary yojijukugo describing extreme wickedness, betrayal, or cruelty, often in a historical or dramatic context. Used as a な-adjective or with の.