Is “Thine” a Scrabble word?
Yes
THINE
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 Thine
/ðaɪn/
pronoun
1.Singular second person possessive pronoun; yours