keep up your bright swords, for the dew will rust them—William Shakespeare
: to impair or corrode by or as if by time, inactivity, or deleterious use
: to cause to become reddish brown : turn the color of rust
Examples of rust in a Sentence
an old pump covered in rustVerb
Your bicycle will rust if you leave it out in the rain.
The moist air rusted the latch on the door.
The old iron fence was rusted.
Recent Examples on the Web
The lifts there closed for the final time at the end of the 2013–14 season, and the skeletal pylons still strewn across the hillside have long since turned to rust.—WIRED, 18 Sep. 2023 The Ravens also showed some rust in last week’s 25-9 win over Houston, during which running back J.K. Dobbins was lost for the season with a torn Achilles tendon.—Mark Heim | Mheim@al.com, al, 17 Sep. 2023 The assembled team of maritime experts judged that the liner’s remains were rapidly falling apart, done in by rust, corrosive salts, microbes and deep-sea creatures.—Catherine Porter, New York Times, 11 Sep. 2023 Beginning Sunday against Cincinnati, the Browns must prove that reps can cure Watson’s rust.—Jimmy Watkins, cleveland, 7 Sep. 2023 As the sun begins to set and clarinet notes rise, the surrounding canyon turns from rust to pink to gold.—Sarah Matusek, The Christian Science Monitor, 5 Sep. 2023 Even with the sloppy weather and Joe Burrow’s rust deriving from a recent injury, the Browns’ defense appeared improved under Jim Schwartz, a veteran coordinator who was hired in January.—Tom Krasovic, San Diego Union-Tribune, 12 Sep. 2023 Watson was still knocking off rust in Cleveland’s 23-10 loss to Cincinnati last season, his second game after returning.—Mark Heim | Mheim@al.com, al, 10 Sep. 2023 Even if Watson comes out flat or showing slight rust, his room of pass catchers is constructed to be full of talent, that can clean up Watson’s mistakes.—Irie Harris, cleveland, 8 Sep. 2023
As a bonus, the holder comes in an antique bone color or black, and the resin material is waterproof and won’t rust when exposed to moisture.—Sarah Wolf Halverson, Better Homes & Gardens, 12 Sep. 2023 The leaves on the trees run from green to yellow to rust.—Patricia Harris and David Lyon, BostonGlobe.com, 7 Sep. 2023 For a start, the steel industry was almost dead, and the shuttered plants were rusting away.—Werner Herzog, The New Yorker, 21 Aug. 2023 The grates covering those burners are crafted from sturdy porcelain-enameled, cast iron cooking grates resistant to rust and corrosion.—Carrie Honaker, Southern Living, 24 July 2023 Unfortunately, the harsh duty cycle of most off-roaders, combined with the original Scout's extreme propensity to rust, means that an OG Scout is a rare sight today.—Joe Lorio, Car and Driver, 1 Sep. 2023 They are usually constructed of durable metal or aluminum that is resistant to rust and corrosion.—Kat De Naoum, Better Homes & Gardens, 25 Aug. 2023 Be sure to roll your cart somewhere safe during inclement weather to prevent it from rusting.—Mary Cornetta, Better Homes & Gardens, 2 Aug. 2023 Broken pipes float on the surface, and oil drills are rusting and sinking into the water.—Sheyla Urdaneta Adriana Loureiro Fernandez, New York Times, 22 July 2023 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rust.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Middle English, from Old English rūst; akin to Old English rēad red — more at red
First Known Use
before the 12th century, in the meaning defined at sense 1a