不埒千万 ふらちせんばん Meanings Noun, な-adjective very insolent; extremely audacious; reprehensible Kanji 不 un-. Read as フ. 埒 picket; limits; be settled. Read as ラチ. 千 thousand. Read as セン. 万 all. Read as バン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists