UNFASTEN

Yes, UNFASTEN is a Scrabble word!

Letter values in Scrabble US: U 1, N 1, F 4, A 1, S 1, T 1, E 1, N 1.U 1 · N 1 · F 4 · A 1 · S 1 · T 1 · E 1 · N 1

Is it a valid word?

• Scrabble US: valid, 11 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 11 points
• Scrabble UK: valid, 11 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 11 points
• Words with Friends: valid, 14 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 14 points