Is “Unwieldiest” a Scrabble word?
Yes
UNWIELDIEST
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 Unwieldiest
adjective
1.Lacking strength; weak.
2.Ungraceful in movement.
3.Difficult to carry, handle, manage or operate because of its size, weight, shape or complexity.