not dirty
Please keep the floor clean.
neat and tidy
Cats keep themselves clean.
safe for the environment
Solar power is a clean energy source.
blank
Use a clean piece of paper.
appropriate for all ages
Tell clean jokes only.
no law violations
He has a clean record.
free of illegal items
The search showed he was clean.
sober
She has been clean for months.
fair
It was a clean match.
smooth and even
Make a clean cut with the knife.
skillful
The pilot made a clean landing.
error-free
She writes clean reports.
fresh and pleasant
The soap has a clean scent.
to make something not dirty
Clean your shoes before entering.
to become not dirty
This table cleans easily.
to dry clean
I will clean this suit at the shop.
to prepare food by removing insides
Clean the fish before cooking.
completely
I clean forgot to call.
the act of cleaning
The car needs a good clean.