let (something) fall

let (something) fall

To accidentally or inadvertently reveal some secret or important piece of information. I can't believe your sister let news of our engagement fall in front of your parents last night! The agent, under the influence of a powerful truth serum, let fall the names of other operatives working covertly in the area.
See also: fall, let
Farlex Dictionary of Idioms.

ˌlet ˈfall something

mention something in a conversation, by accident or as if by accident: She let fall a further heavy hint.
See also: fall, let, something
Farlex Partner Idioms Dictionary
See also:
  • let fall something
  • let (something) slip
  • let it slip
  • let slip
  • let slip something
  • let something slip
  • let drop
  • let (something) drop
  • let it
  • let it drop