Is “Unstick” a Scrabble word?
Yes
UNSTICK
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 Unstick
verb
1.(sometimes figurative) To free from the condition of being stuck.