Is “Deftest” a Scrabble word?
Yes
DEFTEST
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 Deftest
adjective
1.Quick and neat in action; skillful.
“He assembled it in one fluid, deft motion.”