a person who is not part of a particular organization or profession （组织、行业）外部的人；外来者◆The company brought in an outsider to assess its efficiency. 公司请外面的人来评估其工作效率。◆They have decided to hire outsiders for some of the key positions. 他们决定在某些关键职位上聘任外来人员。
a person who is not accepted as a member of a society, group, etc. 外人；局外人◆The workforce still consider the new CEO an outsider. 员工仍然把新的首席执行官当成局外人。