SLUGGISHNESS

Yes, SLUGGISHNESS is a Scrabble word!

Letter values in Scrabble US: S 1, L 1, U 1, G 2, G 2, I 1, S 1, H 4, N 1, E 1, S 1, S 1.S 1 · L 1 · U 1 · G 2 · G 2 · I 1 · S 1 · H 4 · N 1 · E 1 · S 1 · S 1

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, 21 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 21 points