rust
word
Definition
Rust is the reddish-brown coating that forms on iron or steel when it gets wet and is exposed to air. It can also mean the slow damage caused by this process, or be used as a verb to describe when something starts to get rusty.
Usage & Nuances
'Rust' is a noun and a verb. The noun refers to the reddish coating or the damage; the verb means 'to develop rust.' Common phrases: 'rust-proof,' 'rusty,' 'to get rust,' and 'to rust away.' Using 'rust' for non-metal things (skills getting worse) is metaphorical.
Example Sentences
The old bicycle has a lot of rust on its frame.
basic
Rainwater can cause iron objects to rust.
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We used a special paint to stop the gate from getting rust.
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If you leave those tools outside, they'll rust in no time.
natural
My guitar skills are getting a bit of rust because I haven't played in months.
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You should oil that lock, or rust will make it hard to open.
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