# loose lip

idiom

Source: https://englishreference.com/idiom/loose-lip
Updated: 2026-08-10

## Meaning

The practice or characteristic of being overly talkative, especially with respect to inadvertently revealing information which is private or confidential.

## Examples

- Don't have a loose lip about our surprise party plans.
- He has a loose lip, so do not tell him anything you want to keep secret.
- The manager warned the team that a loose lip could compromise the sensitive negotiations currently underway with the new investors.

---

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.