insider

American  

[in-sahy-der] / ˌɪnˈsaɪ dər /

noun

1. a person who is a member of a group, organization, society, etc.

2. 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.

3. a person who has some special advantage or influence.

4. 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.

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insider British  

/ ˌɪnˈsaɪdə /

noun

1. a member of a specified group

2. a person with access to exclusive information

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Etymology

Origin of insider

First recorded in 1820–30; inside + -er ¹

Example Sentences

Often corporate insiders buy stock on the decline, scooping up shares they view as cheap and sending a message to investors that they’re willing to bet their own money on a rebound.

From MarketWatch

These people said that could give Warsh an edge by leaving him in relatively better standing with lawmakers and central bank insiders.

From The Wall Street Journal

Kramer is accused of violating the Martin Act, which forbids company insiders from trading stock while possessing material non-public information, James said.

From The Wall Street Journal

But what had happened behind the scenes was seismic, say insiders.

From BBC

Wednesday’s filing contained a list of creditors who had the 30 largest unsecured claims that were not insiders.

From MarketWatch

Related Words

• aide
• associate
• co-conspirator
• collaborator
• conspirator