rust

B2 · Upper Intermediate Uncountable noun

n. a reddish-brown color like the color of rusted metal.

n. a strong reddish-brown color resembling iron oxide.

“She chose a beautiful rust colored dress for the autumn wedding.”

“The hills were a vibrant shade of rust as the sun set, reflecting the high iron content in the exposed rock faces.”

B1 · Intermediate

v. to become covered in rust or to cause metal to do this.

v. to undergo or cause to undergo the chemical process of oxidation, specifically in ferrous metals.

“If you don't dry your garden tools, they will start to rust very quickly.”

“Saltwater spray from the ocean will rust the iron railings within a single season if they are not treated with a protective sealant.”

C1 · Advanced Literary

v. to lose your ability to do something well because you have not practiced for a long time.

v. to degenerate or become impaired through inactivity or lack of use.

“My piano skills have started to rust since I moved to a house without one.”

“The diplomat feared his negotiating skills would rust during his long assignment to a quiet, stable post with no active conflicts.”

B2 · Upper Intermediate

adj. having a reddish-brown color.

adj. of the color rust; used to describe fabrics, hair, or natural features.

“The fox had a thick rust coat that helped it hide among the fallen leaves.”

“The interior designer recommended rust curtains to provide a warm contrast against the cool grey walls of the living room.”