陰いん謀ぼう者しゃMeanings1nounconspirator; plotterRefers to a person who secretly plans something harmful or illegal with others.彼かれはクーデターの陰いん謀ぼう者しゃとして逮たい捕ほされた。He was arrested as a conspirator in the coup d'état.陰いん謀ぼう者しゃたちは密ひそかに会かい合ごうを開ひらいた。The conspirators held a secret meeting.