illicit/ɪˈlɪsɪt; ɪ`lɪsɪt/ adj(a) not allowed by law; illegal 法律不许可的; 违禁的; 非法的 the illicit sale of drugs 毒品的非法贩卖.(b) not approved by the normal rules ofsociety 违反社会规则的; 不正当的 an illicit relationship不正当的关系.
牛津英汉双解词典