- 1a person who is not accepted as a member of a society, group, etc. Here she felt she would always be an outsider.
- 2a person who is not part of a particular organization or profession They have decided to hire outsiders for some of the key positions. To an outsider it may appear to be a glamorous job.
- 3 a person or an animal taking part in a race or competition that is not expected to win The race was won by a 20–1 outsider. To everyone's surprise, the job went to a rank outsider (= a complete outsider ).