せんだん 専断 LinksSentence search for 専断Sentence search for せんだんSentence search for 擅断Kanji details for 専 and 断Edit in JMdict Noun, Suru verb, Transitive verb, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'1. arbitrary decision; using one's own discretion; acting on one's own authorityOther forms擅断 【せんだん】Notes擅断: Rarely-used kanji form. Discussions Log in to talk about this word.