国士無双 こくしむそう Meanings Noun distinguished person thirteen orphans (i.e.: winning hand containing one of each terminal and honor tile plus one extra copy of any of them) Kanji 国 country. Read as コク. 士 man 無 without 双 twin. Read as ソウ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists