outsider noun
1 not a member of a group
ADJ. complete | political, social
VERB + OUTSIDER feel I felt a complete outsider.
PREP. ~ to an outsider to the group
2 competitor who will probably not win
ADJ. complete, rank
PREP. ~ in The firm has gone from being an outsider in the market to being a market leader.
You can also check other dicts: outsider (English, 中文解释 ), wordnet sense, Collins Definition