# clean as a whistle

idiom

Source: https://englishreference.com/idiom/clean-as-a-whistle
Updated: 2026-08-10

## Meaning

Very clean.

## Examples

- After I finished cleaning, the kitchen was clean as a whistle.
- You should see the apartment now that the cleaners have finished; it is clean as a whistle.
- Despite the years of neglect, the old cottage was restored until every corner was as clean as a whistle.

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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.