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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

Comer seeks legislation to prevent government employees from profiting on prediction markets using insider knowledge.

From Barron's • May 22, 2026

Though both Polymarket and Kalshi ban insider trading, experts say it might not be considered illegal if the insider were to make a bet using information that was not considered stolen or misused.

From BBC • May 21, 2026

Red flags that might be indicative of insider trading could include the aggressiveness of the trading, and the extent to which it cuts against the firm’s strategy more broadly.

From The Wall Street Journal • May 20, 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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