# sit in with

idiom

Source: https://englishreference.com/idiom/sit-in-with
Updated: 2026-08-10

## Meaning

To join (often as an observer, supervisor or outsider) a group working together on a task.

## Examples

- May I sit in with your team during the meeting?
- The manager asked to sit in with our project group to see how we solve problems.
- As a visiting researcher, she was invited to sit in with the committee while they deliberated on the new policy changes.

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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.