# let slip

idiom

Source: https://englishreference.com/idiom/let-slip
Updated: 2026-08-10

## Meaning

To divulge a secret, as by accident or mistake.

## Examples

- He let slip that he bought a new car.
- I tried to keep the party a secret, but I accidentally let slip the date to my sister.
- During the tense negotiation, the manager inadvertently let slip the company's plans to merge with their primary competitor.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.