Is “Peskiest” a Scrabble word?
Yes
PESKIEST
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 Peskiest
adjective
1.Annoying, troublesome, irritating (usually of an animal or child).