adj. 锈的
v. 迟钝；生锈（rust的过去式和过去分词）

[ adj ]
having accumulated rust
<adj.all>
rusted hinges

Rust \Rust\, v. i. [imp. & p. p. {Rusted}; p. pr. & vb. n.
{Rusting}.] [AS. rustian.]
1. To contract rust; to be or become oxidized.

If gold ruste, what shall iron do? --Chaucer.

Our armors now may rust. --Dryden.

2. To be affected with the parasitic fungus called rust;
also, to acquire a rusty appearance, as plants.

3. Fig.: To degenerate in idleness; to become dull or
impaired by inaction.

Must I rust in Egypt? never more
Appear in arms, and be the chief of Greece?
--Dryden.