UNSINKABLE

Yes, UNSINKABLE is a Scrabble word!

Letter values in Scrabble US: U 1, N 1, S 1, I 1, N 1, K 5, A 1, B 3, L 1, E 1.U 1 · N 1 · S 1 · I 1 · N 1 · K 5 · A 1 · B 3 · L 1 · E 1

Is it a valid word?

• Scrabble US: valid, 16 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 16 points
• Scrabble UK: valid, 16 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 16 points
• Words with Friends: valid, 21 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 21 points