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Definition of insider noun from the Oxford Advanced Learner's Dictionary

insider

noun
 
/ɪnˈsaɪdə(r)/
 
/ɪnˈsaɪdər/
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  1. a person who knows a lot about a group or an organization, because they are part of it
    • The situation was described by one insider as ‘absolute chaos’.
    • an insider’s view of the movie industry
    compare outsider
    Oxford Collocations DictionaryInsider is used before these nouns:
    • status
    • trading
    Insider is used after these nouns:
    • industry
    See full entry
See insider in the Oxford Advanced American DictionarySee insider in the Oxford Learner's Dictionary of Academic English

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