As a Noun: 1. The state or condition of being free from dirt and unwanted substances. English = cleanness. 2. The habit of keeping yourself and your surroundings clean. English = cleanliness. 3. The habit of keeping yourself and your surroundings clean and free of germs. English = hygiene. As a Verb or Adjective: 1. To be free from dirt and unwanted substances or marks, for example by washing or wiping it. English = (be) clean. 2. To make something free from dirt and unwanted substances or marks, for example by washing or wiping it. English = clean, clean up. 3. To clear away the cups, plates and cutlery from a dinner table after a meal has been eaten. 4. To make something free from dirt and dust by wiping it with a cloth or by shaking a stick with feathers or rags attached to it near the dusty surface. English = dust. 5. To be very clean and unlikely to cause illness (because there are no germs). English = (be) hygienic.