Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb rust

3 senses of rust

Sense 1
corrode, rust -- (become destroyed by water, air, or a corrosive such as an acid; "The metal corroded"; "The pipes rusted")
       => decay, crumble, dilapidate -- (fall into decay or ruin; "The unoccupied house started to decay")

Sense 2
corrode, eat, rust -- (cause to deteriorate due to the action of water, air, or an acid; "The acid corroded the metal"; "The steady dripping of water rusted the metal stopper in the sink")
       => damage -- (inflict damage upon; "The snow damaged the roof"; "She damaged the car when she hit the tree")

Sense 3
rust -- (become coated with oxide)
       => oxidise, oxidize, oxidate -- (enter into a combination with oxygen or become converted into an oxide; "This metal oxidizes easily")

Antonyms of adj rusted

1 sense of rusted

Sense 1
rusted (vs. rustless) -- (having accumulated rust; "rusted hinges")

rustless (vs. rusted) -- (without rust)
        => rust-free -- (free of rust)
        => rustproof, rustproofed -- (treated against rusting)
        => rust-resistant -- (resistant to rust)
        => undercoated, undersealed -- ((of motor vehicles) having a coating of tar or other rustproof material applied to the underside)

Similarity of adj rusted

1 sense of rusted

Sense 1
rusted (vs. rustless) -- (having accumulated rust; "rusted hinges")
       => rusty -- (covered with or consisting of rust; "a rusty machine"; "rusty deposits")