insider

[in-sahy-der]

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.

insider

/ ˌɪnˈsaɪdə /

noun

1. a member of a specified group

2. a person with access to exclusive information

Word History and Origins

Origin of insider¹

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

Example Sentences

It used telegraph lines to report transactions in almost real time, printing them out on rolls of tape in abbreviations that insiders could interpret.

Read more on Wall Street Journal

Such Finra letters often mark the start of deeper inquiries into insider trading, according to lawyers.

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Industry insiders have warned the resumption of production, while welcome, does not end the crisis being experienced by many smaller suppliers.

Read more on BBC

Inside Scoop is a regular Barron’s feature covering stock transactions by corporate executives and board members—so-called insiders—as well as large shareholders, politicians, and other prominent figures.

Read more on Barron's

The insider buying we saw when the stock hit its lows indicated the team’s confidence in the future.

Read more on Barron's

Related Words

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