noun in·sid·er \(ˌ)in-ˈsī-dər, ˈin-ˌ\

: a person who belongs to a group or organization and has special knowledge about it

Full Definition of INSIDER

:  a person recognized or accepted as a member of a group, category, or organization: as
a :  a person who is in a position of power or has access to confidential information
b :  one (as an officer or director) who is in a position to have special knowledge of the affairs of or to influence the decisions of a company

Examples of INSIDER

  1. Political insiders say that she is planning to run for president.
  2. The book gives fans an insider's view of Hollywood.

First Known Use of INSIDER

INSIDER Defined for Kids


noun in·sid·er \in-ˈsī-dər\

Definition of INSIDER for Kids

:  a member of a group or organization who has information about it


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