rust
noun
the red or orange coating that forms on the surface of iron when exposed to air and moisture, consisting chiefly of ferric hydroxide and ferric oxide formed by oxidation.
rusts
-
present tense formof rust (3rd person singular).present tense
Used to describe things happening now or regularly.
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.
While I confess to having more than three bedrooms in my colonial, I’ll continue to drive my 2014 Jeep until the engine fails or the car rusts.
From The Wall Street Journal ● Feb. 12, 2026
Carbon steel rusts easily, so those knives have to be consistently washed and dried to avoid discoloration.
From Washington Times ● Jun. 9, 2023
Fungal rusts and smuts that are proliferating in our increasingly warmer and wetter world endanger the world’s coffee supply.
From Washington Post ● Jul. 15, 2022
"Most ring pots are metal, which rusts and breaks down over time," he explained.
From Salon ● Jun. 19, 2021
"Not much, I reckon; it's them wet clouds goin' back'ard and for'ard over her that spile her polish, same way as the spray rusts our b'ilers."
From Harper's Young People, April 20, 1880 An Illustrated Weekly by Various
