OBSTREPEROUSLY

Yes, OBSTREPEROUSLY is a Scrabble word!

Letter values in Scrabble US: O 1, B 3, S 1, T 1, R 1, E 1, P 3, E 1, R 1, O 1, U 1, S 1, L 1, Y 4.O 1 · B 3 · S 1 · T 1 · R 1 · E 1 · P 3 · E 1 · R 1 · O 1 · U 1 · S 1 · L 1 · Y 4

Is it a valid word?

• Scrabble US: valid, 21 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 21 points
• Scrabble UK: valid, 21 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 21 points
• Words with Friends: valid, 24 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 24 points