無ぶ礼れい千せん万ばんConjugationsMeaningsNa-adjective1. extremely rude (impertinent, impolite) (Yojijukugo)Kanji used無nothing礼polite千thousand万ten thousandComposed of無ぶ礼れいrudeness; impoliteness; discourtesy; insolenceNoun千せん万ばんexceedingly; extremely; very many; indeedNoun