cleanest

verb

1
To remove dirt from a place or object.
“Can you clean the windows today?”
2
To tidy up, make a place neat.
“Clean your room right now!”
3
To remove equipment from a climbing route after it was previously lead climbed.
4
To make things clean in general.
“She just likes to clean. That’s why I married her.”
5
To remove unnecessary files, etc. from (a directory, etc.).
6
To brush the ice lightly in front of a moving rock to remove any debris and ensure a correct line; less vigorous than a sweep.
7
To purge a raw of any blemishes caused by the scanning process such as brown tinting and poor color contrast.
8
To remove guts and/or scales of a butchered animal.

1
(heading, physical) Free of dirt or impurities or protruberances.
2
(heading, behavioural) Free of immorality or criminality.
3
Smooth, exact, and performed well
“I’ll need a sharper knife to make clean cuts. a clean leap over a fence”
4
Total; utter. (still in "clean sweep")
5
Cool or neat.
“Wow, Dude, those are some clean shoes ya got there!”
6
(health) Being free of sexually transmitted diseases (STDs).
“I want to make sure my fiancé is clean before we are married.”
7
That does not damage the environment.
“clean energy; clean coal”
8
Free from that which is useless or injurious; without defects.
“clean land; clean timber”
9
Free from restraint or neglect; complete; entire.
10
Well-proportioned; shapely.
“clean limbs”
11
(of a route) Ascended without falling.