共きょう犯はん関かん係けいきょうはんかんけいMeanings1nouncomplicity; collusionRefers to a relationship of joint participation in a crime or wrongdoing. Often used in legal or formal contexts.彼かれらは共きょう犯はん関かん係けいにあると疑うたがわれている。They are suspected of being in collusion.共きょう犯はん関かん