ぜひぜんあく 是非善悪 LinksSentence search for 是非善悪Sentence search for ぜひぜんあくKanji details for 是, 非, 善 and 悪Edit in JMdict Noun1. rights and wrongs; the relative merits (of a case); proprietyYojijukugo (four character compound) Discussions Log in to talk about this word.