let on - definition and synonyms

phrasal verb informal
present tense
I/you/we/theylet on
he/she/itlets on
present participleletting on
past tenselet on
past participlelet on
  1. 1
    [intransitive/transitive] to talk about something that is intended to be a secret

    He knows more than he lets on.

    let on to:

    How did she plan the surprise party without letting on to her husband?

    let on (that):

    Don’t let on that I told you.

  2. 2
    [transitive] let on something to admit something
See also main entry: let