let on
1 of 1verb/lɛt ɑ:n/
Forms:lets on,letting on,let on,let on
1
to reveal information that was meant to be kept a secret
- He let on that he knew about the promotion before anyone else.
- They promised not to let on about the proposal, but someone leaked the details.
- Don’t let on that you saw me, I don’t want anyone to know I’m here.
- He didn’t let on to his friends that he was struggling financially.
- She accidentally let on about the surprise party when she mentioned the cake.