- 1 not dirty Are your hands clean? to wipe something clean The hotel was spotlessly (= extremely)clean. Keep your room neat and clean. I can't find a clean shirt (= one I haven't worn since it was washed).
- 2having a clean appearance and clean surroundings Cats are very clean animals. not harmful
- 3 free from harmful or unpleasant substances clean drinking water clean air We all want a cleaner environment, but who is going to pay for it? cleaner cars (= not producing so many harmful substances) Electric buses are a clean, environmentally friendly way to travel. paper
- 4[usually before noun] with nothing written on it a clean sheet of paper smooth/simple
- 5having a smooth edge, surface, or shape; simple and regular A sharp knife makes a clean cut. a modern design with clean lines not illegal
- 6 not showing or having any record of doing something that is against the law a clean driver's license a clean police record
- 7 (informal) not owning or carrying anything illegal such as drugs or weapons The police searched her, but she was clean. fair
- 8played or done in a fair way and within the rules It was a tough but clean game. not offensive
- 9 not offensive or referring to sex; not doing anything that is considered immoral or bad The movie was good, clean fun for the whole family. Keep the jokes clean, please! The sport has a very clean image. accurate
- 10done in a skillful and accurate way The plane made a clean takeoff. taste/smell
- 11tasting, smelling, or looking pleasant and fresh The wine has a clean taste and a lovely golden color. compare unclean Idioms
- 1a complete separation from a person, an organization, a way of life, etc. She wanted to make a clean break with the past.
- 2a break in a bone in one place
- 1 to win all the prizes or parts of a game or competition; to win an election completely China made a clean sweep of the medals in the gymnastics events. The opinion poll suggests a clean sweep for the Democrats.
- 2to remove all the people or things from an organization that are thought to be unnecessary or need changing The new manager made a clean sweep of the department.
adjectivejump to other results
as clean as a whistle (informal)jump to other results
a report that says someone is healthy or that something is in good condition Doctors gave him a clean bill of health after a series of tests and examinations. The building was given a clean bill of health by the surveyor.
a clean bill of healthjump to other results
a clean breakjump to other results
a record of your work or behavior that does not show any mistakes or bad things that you have done No government operates with a completely clean slate.
a clean slatejump to other results
to avoid doing anything wrong or illegal Since leaving prison, he's managed to keep his nose clean.
keep your nose clean (informal)jump to other results
make a clean sweep (of something)jump to other results
a man, especially a politician, who is considered to be very honest and good The scandal destroyed his image as Mr. Clean.
Mr. Clean (informal)jump to other results
to agree to forget about past mistakes or arguments and start again with a relationship
wipe the slate cleanjump to other results