An example of rust is what happens to the chain on a bike that's been left out in the rain all winter.
A mind that has rusted.
The wind-driven spray had thoroughly rusted the patio furniture.
My golf game has rusted from all those years of not playing.
Origin of rust
- Middle English from Old English rūst reudh- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle English rust, rost, roust, from Old English rust, rÅ«st (“rust"), from Proto-Germanic *rustaz (“rust"), from Proto-Indo-European *rudÊ°so- (“red"), from Proto-Indo-European *h₁rewdÊ°- (“red"). Cognate with Scots roust (“rust"), Saterland Frisian rust (“rust"), West Frisian roast (“rust"), Dutch roest (“rust"), German Rost (“rust"), Danish rust (“rust"), Swedish rost (“rust"), Norwegian rust, ryst (“rust"). Related to red.