what is a synonym for rust
rust (rÊst ) Word forms: 3rd person singular present tense rusts , present participle rusting , past tense , past participle rusted. 1. uncountable noun. Rust is a brown substance that forms on iron or steel, for example when it comes into contact with water. ...a decaying tractor, red with rust. Manufacturers are looking into building cars out of plastic to avoid the problem of rust. Synonyms: corrosion, oxidation More Synonyms of rust.