# walk in on

idiom

Source: https://englishreference.com/idiom/walk-in-on
Updated: 2026-08-10

## Meaning

To enter suddenly or unexpectedly while something is happening; to intrude or interrupt by entering.

## Examples

- I did not mean to walk in on you.
- I felt embarrassed when I accidentally walked in on my roommate while she was practicing her speech.
- The detective inadvertently walked in on the clandestine meeting, catching the suspects completely off guard in the middle of their discussion.

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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.