キングピンMeanings1nounkingpinRefers to the most important person in an organization or activity, often in a criminal or business context. Same meaning as English 'kingpin'.彼かれは麻ま薬やく組そ織しきのキングピンとして知しられている。He is known as the kingpin of the drug cartel.その会かい社しゃのキングピンは、創そう業ぎょう者しゃである田た中なか氏しだ。The kingpin of that company is its founder, Mr. Tanaka.
