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Definition of "insider" []

  • An accepted member of a group. (noun)
  • One who has special knowledge or access to confidential information. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "insider" in a sentence
  • "In Sunday's now-famous "60 Minutes" report, based on a book by the Hoover Institution's Peter Schweizer, the term "insider information" is used even more loosely."
  • "The lawsuit claimed Scammell searched the Internet for SEC regulations and the term "insider trading" before buying the stock."
  • "The phrase "insider trading" does not appear in the document."