Yes, rough 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)
"Rough" Definition
noun
A crude unmannered person; a rowdy.
Rugged overgrown terrain.
Something in an unfinished or hastily worked-out state.
Sports The part of a golf course left unmowed and uncultivated.
The difficult or disagreeable aspect, part, or side: observed politics in the rough when working as an intern on Capitol Hill.
adjective
Being in a natural state: rough diamonds.
Boisterous, unruly, uncouth, or rowdy: ran with a rough crowd.
Characterized by carelessness or force, as in manipulating: broke the crystal through rough handling.
Characterized by violent motion; turbulent: rough waters.
Coarse or shaggy to the touch: a rough scratchy blanket.
adverb
In a rough manner; roughly: The engine began to run rough and faltered.
Without usual conveniences.
idiom
Rough it To live without the usual comforts and conveniences: roughed it in a small hunting shack.
verb-transitive
Sports To treat (an opposing player) with unnecessary roughness, often in violation of the rules: was ejected from the game for roughing the passer.
To prepare or indicate in an unfinished form: rough out a house plan.
To treat roughly or with physical violence: roughed up his opponent.
We love the game of Scrabble®, which is why we created Free Scrabble Dictionary - a simple lookup tool to check if the word you want to play is valid in the game of Scrabble®. At the top of every page, you can enter your word and click "Search Dictionary." We'll let you know whether your word is playable and provide a few definitions as well.