(adjective, verb)


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.


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.