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.

And AI doesn’t have the same kind of insider info that agents often do.

From The Wall Street Journal • May 13, 2026

Attorneys at large law firms and public companies routinely handle undisclosed earnings releases or proposed mergers, information that could form the basis for illegal insider trading.

From The Wall Street Journal • May 12, 2026

One insider told me the party put "very little thought" into this part of the election.

From BBC • May 10, 2026

Commodity Futures Trading Commission, the federal regulator that oversees prediction markets and their event contracts, has addressed insider trading through enforcement.

From Barron's • May 7, 2026

Whether or not their deaths were intentional, these two men had done what no other sumo insider had previously done: named names.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt




Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "insider" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com