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

Here’s some insider info about many of the world’s largest and most recognizable yachts that will be partying in St Barths without us! —Bill Springer, Forbes, 30 Dec. 2024

White House insiders, the Blues Brothers, baseball, and more This year proved to be one of the wilder presidential election years in our nation’s history. —Tevi Troy, National Review, 30 Dec. 2024

Beyond music insiders or Olympic aficionados, most people would struggle to recall that Canada’s Philip Kim captured breaking’s B-boy gold medal or that Japan’s Ami Yuasa triumphed among B-girls. —Jonathan Abrams, New York Times, 28 Dec. 2024

Here’s how insiders would solve the Darnold dilemma: Sando’s Pick Six The 2024 Baseball Trivia Extravaganza: Take our mega quiz to test yourself! —Mark Cooper, The Athletic, 27 Dec. 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