insider

noun

in·​sid·​er (ˌ)in-ˈsī-dər 

ˈin-ˌsī-

: a person recognized or accepted as a member of a group, category, or organization: such as

a

: a person who is in a position of power or has access to confidential information

b

: a person (such as an officer or director) who is in a position to have special knowledge of the affairs of or to influence the decisions of a company

Examples of insider in a Sentence

Political insiders say that she is planning to run for president.

The book gives fans an insider's view of Hollywood.

Recent Examples on the Web

Beyond The Election Corporate insiders also are hesitant to play the stock market. —Alicia Adamczyk, Fortune, 3 Nov. 2024

The Modern Workwear Edit: Shop 100+ Pieces of Office-Approved Fashion SHOP THE EDIT Vogue Shopping The insider’s guide to what to shop and how to wear it. —Conçetta Ciarlo, Vogue, 2 Nov. 2024

Industry insiders measure down by its fill power, which ranges from 500 to 800. —Marni Jameson, arkansasonline.com, 2 Nov. 2024

According to Jonathan Jones, an NFL on CBS insider and the Washington Post, no determination on a fine will be made until next week and any punishment will not include a suspension. —Jerry McDonald, The Mercury News, 2 Nov. 2024

Word History

First Known Use

1848, in the meaning defined above

Phrases Containing insider

• insider trading

Kids Definition

insider

noun

in·​sid·​er (ˈ)in-ˈsīd-ər 

: a person who is a member of a special group or organization

Legal Definition

insider

noun

in·​sid·​er

: a person who is in a position of power or has access to confidential information: as

a

: one (as an officer, director, employee, relative, or owner of more than 10% of the corporation's stock) who is in a position to have special knowledge of the affairs of or to influence the decisions of a company

b

: an individual (as a relative or an influential party) or entity (as a corporate affiliate) having a close relationship with a debtor such that transactions are not made at arm's length and are subject to closer scrutiny than the transactions of those dealing at arm's length