Synonyms for rust

the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water (noun)

• rusting

any of various fungi causing rust disease in plants (noun)

become destroyed by water, air, or a corrosive such as an acid (verb)

• corrode

cause to deteriorate due to the action of water, air, or an acid (verb)

• eat

of the brown color of rust (adj)

• rusty
• rust-brown