Is “Hyperactivity” a Scrabble word?
Yes
HYPERACTIVITY
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 Hyperactivity
noun
1.The quality of being hyperactive; excessive and pathological movement and restlessness