rust
[noun]
Synonyms:
- corrosion, oxidation
- mildew, blight, mould, must, rot
[verb]
Synonyms:
- corrode, oxidize

[TahlilGaran] English Synonym Dictionary ▲

I. rust¹ /rʌst/ noun [uncountable]
[Language: Old English]

1. the reddish-brown substance that forms on iron or steel when it gets wet ⇒ rusty:
There were large patches of rust on the car.

2. a plant disease that causes reddish-brown spots

[TahlilGaran] Dictionary of Contemporary English ▲

II. rust² verb [intransitive and transitive]
to become covered with rust, or to make something become covered in rust:
The metal had begun to rust.
The gate was old and badly rusted.
rust away phrasal verb
to be gradually destroyed by rust:
The blades of the swords have rusted away.

[TahlilGaran] Dictionary of Contemporary English ▲

rust
noun
VERB + RUST clean off, get off, remove, scrape off
RUST + NOUN spot, stain | protection A zinc coating is applied to the steel for rust protection.
PHRASES covered/flecked/red/spotted with rust The old padlock was red with rust.

[TahlilGaran] Collocations Dictionary ▲

rust
verb
ADV. badly | away, through The car had been rusting away in his garage for years.

[TahlilGaran] Collocations Dictionary ▲