# loose tongue

idiom

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

## Meaning

The act or habit of excessively speaking or discussing subjects that are private or confidential.

## Examples

- Be careful what you say, as he has a loose tongue.
- The manager warned the team that a loose tongue could ruin the secret project before the launch.
- Despite his reputation for brilliance, his notoriously loose tongue often betrayed the confidential strategies discussed within the inner circle of the firm.

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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.