# watch one's language

idiom

Source: https://englishreference.com/idiom/watch-ones-language
Updated: 2026-08-10

## Meaning

To be careful about what one says, in particular the avoidance of foul language.

## Examples

- Please watch your language when you speak to the children.
- The teacher warned the students to watch their language while they were working in the library.
- In a professional environment, one must always watch one's language to ensure that the conversation remains respectful and appropriate for all colleagues.

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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.