rust
5 synonyms and 0 antonyms for rust, grouped by meaning and by how common each one is.
Noun — The reddish-brown coating that forms on iron or steel when it reacts with moisture and oxygen over time.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use rust
The word patterns that sound natural to a native speaker.
Etymology
From Old English rust, going back to a very old Germanic root meaning "red" — the same root that gives us the word "red" itself.
Full origin of rust →Frequently asked questions
What does “rust” mean?
The word “rust” means the reddish-brown coating that forms on iron or steel when it reacts with moisture and oxygen over time. In plain terms, the reddish coating that eats away at metal when it is exposed to air and water, or (as a verb) for a skill to go stale from disuse.
How do you pronounce “rust”?
“Rust” is pronounced ruhst (/ɹʌst/ in IPA).
How do you use “rust” in a sentence?
Here is “rust” used in a sentence: “The old bike chain was covered in rust after sitting out in the rain all winter.”
What is another word for “rust”?
Words with a similar meaning to “rust” include oxidise, oxidize and corrode.
What part of speech is “rust”?
Depending on how it is used, “rust” can be a noun and a verb.
Where does the word “rust” come from?
The word “rust” comes from Old English. From Old English rust, going back to a very old Germanic root meaning "red" — the same root that gives us the word "red" itself.
Is “rust” a common word?
“Rust” is an uncommon word in modern English.
How many meanings does “rust” have?
“Rust” has 4 distinct senses listed in this dictionary. The most common is: the reddish-brown coating that forms on iron or steel when it reacts with moisture and oxygen over time.
What is the difference between rust and corrosion?
Rust specifically refers to the reddish-brown coating that forms on iron or steel when it reacts with moisture and oxygen, while corrosion is the broader term covering the deterioration of any metal through chemical reaction, including metals that do not rust, such as aluminum or copper. All rust is a form of corrosion, but not all corrosion is rust.
What causes metal to rust?
Metal rusts when iron or steel reacts with moisture and oxygen over time, gradually forming a reddish-brown coating on its surface. This reaction weakens the metal and can eventually cause it to flake or crumble if left untreated.
What does it mean to say skills have gotten rusty?
Saying skills are rusty uses rust figuratively to mean they have lost sharpness or ability through lack of use, much like metal loses strength when it corrodes. It implies the ability still exists but needs practice to restore it to its previous level.