rust

noun
UK: /rʌst/
US: /rʌst/

  1. A reddish-brown substance that forms on iron or steel when it gets wet.

    1. The old gate was covered in rust, making it hard to open.
    2. The car's body showed signs of rust after years of exposure to salty air.

  2. A problem caused by not using your skills or knowledge.

    1. After a long break, there might be some rust in my tennis game.
    2. He's trying to shake off the rust after being away from coding for a year.

Synonyms

corrosion deterioration
rust intransitive-verb

  1. To become covered with rust.

    1. Old metal will rust if it is left out in the rain.
    2. My bike started to rust after I left it outside during the winter storm.

  2. To become less active or skilled because you are not using your abilities.

    1. I need to practice, or my piano skills will rust from lack of use.
    2. If you don't keep learning, your knowledge in that field might start to rust.
rust transitive-verb

  1. To cause something to become rusty.

    1. The rain and salt air rusted the metal fence over time.
    2. The seawater rusted the ship's hull, requiring costly repairs.

Frequently Asked Questions

The word "rust" in English means: A reddish-brown substance that forms on iron or steel when it gets wet., A problem caused by not using your skills or knowledge..

The phonetic transcription of "rust" is /rʌst/ in British English and /rʌst/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "rust": corrosion, deterioration.

Example usage of "rust": "The old gate was covered in rust, making it hard to open.". More examples on the page.