IMPROBABLY

Yes, IMPROBABLY is a Scrabble word!

Letter values in Scrabble US: I 1, M 3, P 3, R 1, O 1, B 3, A 1, B 3, L 1, Y 4.I 1 · M 3 · P 3 · R 1 · O 1 · B 3 · A 1 · B 3 · 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, 25 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 25 points