BALDERDASH

Yes, BALDERDASH is a Scrabble word!

Letter values in Scrabble US: B 3, A 1, L 1, D 2, E 1, R 1, D 2, A 1, S 1, H 4.B 3 · A 1 · L 1 · D 2 · E 1 · R 1 · D 2 · A 1 · S 1 · H 4

Is it a valid word?

• Scrabble US: valid, 17 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 17 points
• Scrabble UK: valid, 17 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 17 points
• Words with Friends: valid, 18 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 18 points