Is “Sunfast” a Scrabble word?
Yes
SUNFAST
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 Sunfast
adjective
1.Colorfast in a way that will not fade in sunlight.