Yes, screw is playable
...and is worth 11 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Screw" Definition
noun
A cylindrical and flat-tipped machine screw.
A cylindrical rod incised with one or more helical or advancing spiral threads, as a lead screw or worm screw.
A device having a helical form, such as a corkscrew.
A metal pin with incised threads and a broad slotted head that can be driven as a fastener by turning with a screwdriver, especially:.
idiom
Have a screw loose Slang To be insane.
Have a screw loose Slang To behave in an eccentric manner.
phrasal-verb
Screw around Slang To act or fool around aimlessly or in a confused way and accomplish nothing.
Screw around Vulgar Slang To be sexually promiscuous.
Screw up Slang To injure; damage: Lifting those boxes really screwed up my back.
Screw up Slang To make a mess of (an undertaking).
Screw up Slang To make neurotic or anxious.
verb-transitive
Slang To take advantage of; cheat: screwed me out of the most lucrative sales territory.
To attach (a tapped or threaded fitting or cap) by twisting into place.
To drive or tighten (a screw).
To fasten, tighten, or attach by or as if by means of a screw.
To rotate (a part) on a threaded axis.
verb-intransitive
To be capable of such attachment.
To become attached by means of the threads of a screw.
Vulgar Slang To have sexual intercourse.
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