clean

¹clean

adj \ˈklēn\

Definition of CLEAN

1

a : free from dirt or pollution b : free from disease or infectious agents <a pullorum-clean flock> <keep installations clean of TB infection>

2

: free from smudges or anything that tends to obscure <a clean set of fingerprints>

3

of a horse's leg : free from curbs or bunches below the hock

4

: free from drug addiction