What is the meaning of the word "clean"?

Definitions:

(of sound or color) free from anything that dulls or dims adjective
- efforts to obtain a clean bass in orchestral recordings
exhibiting or calling for sportsmanship or fair play adjective
- a clean fight
free from dirt or impurities adjective
- or having clean habits
free from impurities adjective
- clean water
free from sepsis or infection adjective
- a clean (or uninfected) wound
free of drugs adjective
- After a long dependency on heroin they have been clean for 4 years.
free of restrictions or qualifications adjective
- a clean bill of health
morally pure adjective
- led a clean life
of a record, having no marks of discredit or offense adjective
- The delivery job requires a clean driving record.
thorough and without qualification adjective
- a clean getaway
to be cleanable verb
- This stove cleans easily.
to clean and tidy up the house verb
- I clean my house every week.
to clean one's body or parts thereof, as by washing verb
- clean up before you see your grandparents
to deprive wholly of money in a gambling game, robbery, etc verb
- The other players cleaned me completely.
to remove all contents or possession from, or empty completely verb
- The boys cleaned the sandwich platters
to remove shells or husks from verb
- clean grain before milling it
to remove unwanted substances from, such as feathers or pits verb
- I cleaned the scallops before grilling.
without difficulties or problems adjective
- a clean test flight