Is “Waterproof” a Scrabble word?
Yes
WATERPROOF
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 Waterproof
noun
1.A substance or preparation for rendering cloth, leather, etc., impervious to water.
2.Cloth made waterproof, or any article made of such cloth, or of other waterproof material, as rubber; especially, an outer garment made of such material.
verb
1.To make waterproof or water-resistant.
adjective
1.Unaffected by water.
2.Made of or covered with material that doesn't allow water in.
3.Incapable of failing; unassailable.
Synonyms: watertight