Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

let sb in on sth

phrasal verb with let
 
 
/let/ verb (present tense letting, past tense and past participle let)

Definition

to tell someone about something that is secret, or to allow someone to become involved in something that only very few people are involved in: Debbie agreed to let me in on her plans.Revealing secrets and becoming known
(Definition of let sb in on sth from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

gesticulate

to make movements with your hands or arms, to express something or to emphasize what you are saying

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More