Is “Showerproof” a Scrabble word?
Yes
SHOWERPROOF
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 Showerproof
adjective
1.That does not absorb water during light rainfall.