9 Grammatical Pitfalls


[in-sahy-der] /ˌɪnˈsaɪ dər/
a person who is a member of a group, organization, society, etc.
a person belonging to a limited circle of persons who understand the actual facts in a situation or share private knowledge:
Insiders knew that the president would veto the bill.
a person who has some special advantage or influence.
a person in possession of corporate information not generally available to the public, as a director, an accountant, or other officer or employee of a corporation.
Origin of insider
1820-30; inside + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for insider
  • Visitors are given an insider's tour of the facility's launch sites, rockets and spaceflight simulators.
  • Come for this walk-through and gallery talk to get an insider's perspective on the work.
  • It is the elite view of a mental health insider constantly reading the literature and discussing the condition with colleagues.
  • The temptation to gain lucrative insider knowledge of corporate planning and intellectual property is a large one.
  • It simply repeats a report from an industry organization, and quotes an industry insider who gains to profit from his claim.
  • Amid the increasing frequency of insider trading phenomena, an alternative approach should be considered.
  • insider-trading charges have affected many acclaimed managers.
  • These are typically cheaper, and probably less strict about policing insider gossip.
  • That, after all, is why there are such stringent laws against insider dealing.
  • Of course, the outsider is more easily tolerated than the dissident insider.
British Dictionary definitions for insider


a member of a specified group
a person with access to exclusive information
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for insider

"one in possession of special information by virtue of being within some organization," 1848, from inside + -er (1). Originally in reference to the stock markets.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for insider



A person who has special knowledge, authority, etc, because he is within or part of some privileged group: The insiders are saying that the President will veto it (1850+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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