We found 5 dictionaries that define the word as clean as a whistle:

General (3 matching dictionaries)

1. as clean as a whistle: TheFreeDictionary.com

Computing (1 matching dictionary)

2. as clean as a whistle: Encyclopedia

Miscellaneous (1 matching dictionary)

3. as clean as a whistle: Idioms

▸ Words similar to as clean as a whistle ▸ Usage examples for as clean as a whistle ▸ Idioms related to as clean as a whistle ▸ Wikipedia articles (New!) ▸ Words that often appear near as clean as a whistle ▸ Rhymes of as clean as a whistle ▸ Invented words related to as clean as a whistle