1) Ate 2) Old 3) Oxidized 4) Rusty 1) Corroded 2) Decayed, like metal 3) Describing some metals 4) Duster badly corroded 5) Got coated with oxide 6) Having accumulated rust 7) Like much junkyard metal 8) Not in mint condition 9) Noticeably neglected 10) Oxidised 11) Oxidized 12) Rusty 13) Showing signs of disuse 14) Succumbed to corrosion 
• (imp. & p. p.) of Rust
[adj] - having accumulated rust
adjective having accumulated rust; `rusted hinges`