Thesaurus.com
Dictionary.com
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.

His case marks the first such case filed by the DOJ regarding insider trading charges involving a prediction market.

From BBC • Apr. 28, 2026

"Asia rations, switches to coal and can experience shortages in places" while "Europe pays very high prices to avoid shortages," said an energy industry insider on condition of anonymity.

From Barron's • Apr. 28, 2026

He still owned nearly 1.2 billion Oracle shares as of mid-April, giving him 40% of the company, according to data from Verity Platform, which tracks insider ownership.

From The Wall Street Journal • Apr. 27, 2026

The international prediction market run by Polymarket, where Gannon Van Dyke is accused of placing insider trades, is illegal in the U.S.

From Barron's • Apr. 24, 2026

This was also the time that Ellsberg made the unsettling discovery that he was not quite the insider he’d thought he was.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin