COSTLY

Yes, COSTLY is a Scrabble word!

Letter values in Scrabble US: C 3, O 1, S 1, T 1, L 1, Y 4.C 3 · O 1 · S 1 · T 1 · L 1 · Y 4

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, 12 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 12 points