Is “Punctilio” a Scrabble word?
Yes
PUNCTILIO
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 Punctilio
/pʌŋkˈtɪliˌoʊ/
noun
1.A fine point in exactness of conduct, ceremony or procedure. Strictness in observance of formalities.