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rustproof

American  
[ruhst-proof] / ˈrʌstˌpruf /

adjective

  1. not subject to rusting.


verb (used with object)

  1. to coat with a substance that prevents rusting.

rustproof British  
/ ˈrʌstˌpruːf /

adjective

  1. treated against rusting

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of rustproof

First recorded in 1685–95; rust + -proof

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

None of this scares Cucé, whose life’s work includes making unique properties rustproof.

From Washington Post • Feb. 3, 2023

Some manufacturers make birdbath bowls of rustproof cast aluminum but stick with cast iron for the stand because of its weight.

From Washington Post • Apr. 17, 2020

Decision fatigue helps explain why ordinarily sensible people get angry at colleagues and families, splurge on clothes, buy junk food at the supermarket and can't resist the dealer's offer to rustproof their new car.

From Time • Aug. 23, 2011

After tearing down the Erechtheum's walls, they replaced the rods with rustproof titanium, a strong, lightweight metal commonly used in airplane engines and earth-orbiting craft.

From Time Magazine Archive

During the years, the grease hardened into a permanent rustproof coating.

From The Wailing Octopus by Goodwin, Harold L. (Harold Leland)