Is “Unpin” a Scrabble word?
Yes
UNPIN
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 Unpin
verb
1.To unfasten by removing a pin.
2.To detach (an icon, application, etc.) from the place where it was previously pinned.
“to unpin a program from the Taskbar”
3.To get out of a pin