Is clean a word in the Scrabble Dictionary

Yes, clean is playable

...and is worth 10 points.

Found in the following dictionaries

Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Clean" Definition

noun

An act of dirt especially from the surface of something.

adjective

Blank: a clean page.
Devoid of restrictions or encumbrances: a clean bill of health.
Fit for all readers, listeners, or audiences; not ribald or obscene: a clean joke.
Free from clumsiness; deft; adroit: a clean throw.
Free from dirt, stain, or impurities; unsoiled.

idiom

Clean house Slang To eliminate or discard what is undesirable: The scandal forced the company to clean house.

phrasal-verb

Clean out Informal To drive or force out: cleaned out the incompetent workers.
Clean out Slang To deprive completely of money or material wealth: The robbery cleaned us out.
Clean out To empty of contents or occupants.
Clean out To rid of dirt, rubbish, or impurities.
Clean up Slang To make a large profit, often in a short period of time: cleaned up during the bull market.

adverb

In a clean or nonpolluting manner: a fuel that burns clean.
In a fair manner: played the game clean.
Informal Entirely; wholly: clean forgot the appointment.
So as to be unsoiled: wash the dishes clean.
So as to clean .