聡そう敏びんじ字FuriganaMeanings1na-adjective, nounsagacity; clevernessRare literary word for keen intelligence and sound judgment. Not used in everyday conversation; more common synonyms include 賢明 or 聡明.彼かれの聡そう敏びんな判はん断だんが会かい社しゃを救すくった。His sagacious decision saved the company.その老ろう人じんは聡そう敏びんさで知しられていた。The old man was known for his sagacity.