English Reference
Idiom idiom

let something slip


To accidentally reveal a secret.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

I accidentally let the secret slip during dinner.

CONTEXTUAL

He tried to keep the surprise party a secret, but he let it slip when his friend asked about the weekend plans.

COMPLEX

Despite her careful efforts to maintain discretion regarding the merger, she inadvertently let the sensitive information slip during a casual conversation with a competitor.


Related idioms8entries
  1. 01

    a little of something goes a long way

    Only a small amount of something is usually required to produce a great effect.

  2. 02

    buy to let

    To purchase a property as in investment, and to let it out for rental instead of living in it

  3. 03

    chalk something up to experience

    To take a lesson from a bad outcome instead of grieving it.

  4. 04

    don't let the door hit you on the way out

    Used as a command to leave in haste, or to indicate that one is glad, or at least unmoved, to see the addressed person leaving.

  5. 05

    get something over with

    To proceed to do something as soon as possible, especially so as to have something unpleasant behind oneself.

  6. 06

    give someone something to think about

    To threaten or provide a challenge to.

  7. 07

    give someone the slip

    To evade, escape, or get away from somebody.

  8. 08

    give something a go

    To try or attempt.

Last updated August 10, 2026