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 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.

First Known Use of rustproof

1691, in the meaning defined above

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Time Traveler for rustproof

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The first known use of rustproof was in 1691

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Cite this Entry

“Rustproof.” Dictionary, Merriam-Webster, Accessed 21 Feb. 2020.

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How to pronounce rustproof (audio)

English Language Learners Definition of rustproof

: protected against rusting

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Rhyming Dictionary: Words that rhyme with rustproof

Spanish Central: Translation of rustproof

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