Is “Bumpier” a Scrabble word?
Yes
BUMPIER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Bumpier
adjective
1.Rough; jumpy; causing or characterized by jolts and irregular movements
2.Covered with or full of bumps