rustproof
adjective
1. treated against rusting
Similar word(s): rustless, rustproofed
Sentences with rustproof as an adjective:
- This is supposed to be a rustproof trashcan, but it can't handle the salt they use on our roads.
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.