Definition of insider in English:

insider

Syllabification: in·sid·er
Pronunciation: /inˈsīdər
 
/

noun

A person within a group or organization, especially someone privy to information unavailable to others: political insiders
More example sentences
  • Misuse of database information by insiders happens everyday, and there's little we can do about it.
  • This is a government for the insiders, for political appointments and cronyism.
  • The two women may share a political persuasion but insiders say their styles of leadership are very different.

Definition of insider in: