Dictionary.com
Thesaurus.com
Synonyms

in the know

Idioms  
  1. Privy to special or secret information, as in Not too many people are in the know about this project. [Late 1800s]


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.

Customers are drawn, at least in part, to the idea of a place accessible only to those in the know.

From The Wall Street Journal • Apr. 9, 2026

Sign up now to be the first in the know.

From Barron's • Mar. 1, 2026

Sign up now to be the first in the know, and receive the inaugural edition.

From MarketWatch • Jan. 6, 2026

To people in the know, it was a Bat Signal of cool, or at least close enough to it.

From Salon • Dec. 23, 2025

He had enjoyed the joke, of course, even though he had been in the know.

From "The Fellowship of the Ring" by J.R.R. Tolkien