Is “Dexterity” a Scrabble word?
Yes
DEXTERITY
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 Dexterity
/dɛksˈtɛɹɪti/
noun
1.Skill in performing tasks, especially with the hands.
“Playing computer games can improve your manual dexterity.”