propre comme un sou neuf
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French[edit]
Etymology[edit]
Literally, “clean as a brand new penny”.
Pronunciation[edit]
Adjective[edit]
propre comme un sou neuf (plural propres comme des sous neufs)
- (simile) Very clean; squeaky clean; clean as a whistle
Usage notes[edit]
Only used in the physical sense of clean, never the moral one, which is carried by blanc comme neige.