Word.ws English Dictionary

rustproof

rustproof adjective: resistant to rust, oxidation and corrosion.

Adjective

rustproof (comparative more rustproof, superlative most rustproof)

  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.
  2. Resistant to the rust fungus.

Verb

rustproof (third-person singular simple present rustproofs, present participle rustproofing, simple past and past participle rustproofed)

  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.

Synonyms of rustproof

Forms of rustproof

Adjective
comparativemore rustproof
superlativemost rustproof
Verb
third-person singular presentrustproofs
present participlerustproofing
past participlerustproofed
pastrustproofed

Origin of rustproof

From rust + -proof.

Words formed from rustproof

Questions about rustproof

What does rustproof mean?
Rustproof means resistant to rust, oxidation and corrosion.
What part of speech is rustproof?
Rustproof can be an adjective or a verb.

Words near rustproof in the dictionary

  1. rustlings
  2. rustly
  3. Rustman
  4. Rusto
  5. Ruston
  6. rustproof
  7. rustproofed
  8. rustproofer
  9. rustproofers
  10. rustproofing
  11. rustproofings

Source and license

Adapted from Wiktionary: rustproof (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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