ARDUOUSNESS

Yes, ARDUOUSNESS is a Scrabble word!

Letter values in Scrabble US: A 1, R 1, D 2, U 1, O 1, U 1, S 1, N 1, E 1, S 1, S 1.A 1 · R 1 · D 2 · U 1 · O 1 · U 1 · S 1 · N 1 · E 1 · S 1 · S 1

Is it a valid word?

• Scrabble US: valid, 12 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 12 points
• Scrabble UK: valid, 12 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 12 points
• Words with Friends: valid, 15 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 15 points