cleanclean1 /klin/ ●●● adjective 1a)not dirty or messy ANT dirty: Are your hands clean? clean sheets I want you to keep this room clean. a squeaky clean (=very clean) floor b)not containing or producing anything harmful or dirty ANT polluted: clean water/air2not rude or offensive, or not about sex: The movie is good clean fun for the whole family.3honest or legal and showing that you have not broken any rules or laws: I’ve had a clean record (=no official record of having broken the law) for five years now. a clean driving record4having a simple and attractive style or design: The photograph highlighted the furniture’s clean lines.5come clean informal to finally tell the truth about something you have been hiding: Josh finally came clean about denting the car.6a clean break a complete and sudden separation from a person, organization, or situation: She wanted to make a clean break with the past.7a clean sweep a very impressive victory in a competition, election, etc.: It was looking like a clean sweep for the Democrats.8a clean slate a new situation in which there is no record of you ever breaking any rules or behaving badly, even if you have broken rules or behaved badly in the past: He will start his school life here with a clean slate.9a clean bill of health a report saying that a person is healthy or that a machine or building is safe [Origin: Old English clæne]