rust·​proof | \ ˈrəst-ˌprüf How to pronounce rustproof (audio) \

Definition of rustproof

: incapable of rusting

Examples of rustproof in a Sentence

Recent Examples on the Web The bedroom furniture, which the architect designed and had made locally of factory-grade aluminum, is rustproof and steeped in the adolescent reveries of sleepaway camp. Sarah Medford, WSJ, "The Italian Home That’s Beyond Perfect for Outdoor Living and Hosting," 7 Oct. 2020 At the same time, demand for zinc—a lightweight, rustproof metal favored in the car and construction industries among others—has remained steady, eating away at the excess inventory. David Hodari, WSJ, "Zinc Is in the Pink, as Mine Supply Struggles to Meet Demand," 10 July 2017 The 19-pound scooter is made from a lightweight, rustproof aluminum, and its 8-inch polyurethane wheels won�t ever go flat. Sonia Zjawinski, WIRED, "Fetish," 1 Nov. 2002

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rustproof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of rustproof

1691, in the meaning defined above

Keep scrolling for more

Learn More about rustproof

Time Traveler for rustproof

Time Traveler

The first known use of rustproof was in 1691

See more words from the same year

Statistics for rustproof

Cite this Entry

“Rustproof.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for rustproof



English Language Learners Definition of rustproof

: protected against rusting

Comments on rustproof

What made you want to look up rustproof? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!