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Definitions

insider

[in-sahy-der] / ˌɪnˈsaɪ dər /


NOUN
cognoscente
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They feel less like departments and more like insider information.

From Salon • May 22, 2026

“As a U.S.-regulated exchange we are proud of our comprehensive protections against insider trading,” Kalshi spokeswoman Elisabeth Diana said in a statement to Barron’s.

From Barron's • May 22, 2026

Kalshi and Polymarket both told the BBC they have taken serious steps to tackle insider trading.

From BBC • May 21, 2026

Suspicious bets, perhaps relying on insider information, keep cropping up on prediction markets.

From The Wall Street Journal • May 19, 2026

By the measure of the rest of the country, she was an insiders insider.

From "Hidden Figures" by Margot Lee Shetterly




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