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Go and put on a clean shirt.
nice clean towels
I like to keep the place clean and tidy.
Everything in the house was spotlessly clean (=extremely clean).
Tom had scrubbed the floor clean.
an attempt by the government to project a clean image
Why couldn't the president send somebody with a totally clean record?
I've got a clean driving licence (=I have not committed any driving offences).
This is the British English definition of clean. View American English definition of clean.
the part of the nucleus of an atom that has a positive electrical charge