Is “Rustproof” a Scrabble word?
Yes
RUSTPROOF
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 Rustproof
verb
1.To make resistant to rust, such as by applying a coating.
“We'll rustproof the metal with a good coat of paint and then we'll be able to leave it outdoors for years without damage.”
adjective
1.Resistant to rust, oxidation and corrosion.
“This is supposed to be a rustproof trashcan, but it can't handle the salt they use on our roads.”
Synonyms: nonrusting, stainless