Synonym: corrode, eat, rust fungus, rust-brown, rusting, rusty. Similar words: crust, trust, rustle, rustic, distrust, frustrate, frustration, ruse. Meaning: [rʌst] 
n. 1. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture 2. a reddish-brown discoloration of leaves and stems caused by a rust fungus 3. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water 4. any of various fungi causing rust disease in plants. v. 1. become destroyed by water, air, or an etching chemical such as an acid 2. cause to deteriorate due to the action of water, air, or an acid 3. become coated with oxide. adj. of the brown color of rust.
n. 1. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture 2. a reddish-brown discoloration of leaves and stems caused by a rust fungus 3. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water 4. any of various fungi causing rust disease in plants. v. 1. become destroyed by water, air, or an etching chemical such as an acid 2. cause to deteriorate due to the action of water, air, or an acid 3. become coated with oxide. adj. of the brown color of rust. 
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31. Rust had eaten out the water screw.
32. Rust has eaten into the car's bumpers.
33. Rust and acids are corrosive.
34. A scale of rust covered the steel plate.
35. The rain will rust the iron roof.
36. Without practice her tennis will rust.
37. The pipes were beginning to rust, discolouring the water.
38. Don't let your mind rust during the summer vacation.
39. Rust had eaten into the metal.
40. The bodywork's beginning to rust.
41. The great advantage of this metal is that it doesn't rust.
42. Tap water also contains varying amounts of rust and grit.
43. Rust and flaking paint mean the metalwork is in poor condition.
44. You have to chip the rust off before you start painting.
45. This make of car has a certain notoriety for rust problems.
46. Remove all traces of rust with a small wire brush.
47. You'll need a stiff brush to scrape off the rust.
48. It's worth checking that there is no rust on the car.
49. I chipped the rust off the box with a knife.
50. We need to paint the underneath with a rust preventer.
51. If you leave your metal tools outside in the rain,(http://sentencedict.com/rust.html) they will rust.
52. One great advantage of this metal is that it doesn't rust.
53. He even had the rust in the right places.
54. Don't feel the pain, the rust.
55. Sunday clears away the rust of the whole week. Joseph Addison 
56. Rust pointed to it lying on his desk.
57. Clean and oil gardening tools to prevent rust.
58. Paint protects your car from rust.
59. Use a wire brush to remove the rust.
60. They were green with moss, red with rust.