せんじょうえっけん 僭上越権 LinksSentence search for 僭上越権Sentence search for せんじょうえっけんKanji details for 僭, 上, 越 and 権Edit in JMdict Noun1. overstepping one's powers (competence, authority); abuse of one's legal authority; acting ultra vires Discussions Log in to talk about this word.