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let on.

Phrase / Idiom
Conversational
MEANING

To reveal something you know or feel, especially something you could have kept hidden.

Use it for

Words that belong together

  • let on that you know
  • let on about a plan
  • more than someone lets on

On the page

She knew the letter had arrived but never let on.
He was more worried about the appeal than he let on to his colleagues.
Word forms
Base
let on
Past tense
let on
Past participle
let on
Present participle
letting on

Usage notes

Phrasal verb: let on, lets on, let on, let on, letting on; future will let on. Common with that-clauses or about. Do not use *let it on. Register: informal. Commonness: common (qualitative editorial estimate, informed by dictionaries/corpus).

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