Is “Screwiest” a Scrabble word?
Yes
SCREWIEST
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Screwiest
adjective
1.Crazy; silly; ridiculous
“That's a screwy idea; I am not going to fly all the way to Antarctica just to see a penguin!”
2.Tipsy; slightly drunk.
3.Exacting; extortionate; close.