Is “Blankest” a Scrabble word?
Yes
BLANKEST
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 Blankest
adjective
1.White or pale; without colour.
2.Free from writing, printing, or marks; having an empty space to be filled in
“a blank ballot”
3.Scoreless; without any goals or points.