1. affected by rust; covered with a reddish-brown coating caused by oxidation
2. having a reddish-brown color like rust
3. impaired by lack of recent practice or use
Usage: figurative

Examples

• The old bicycle had rusty chains and spokes.
• She found a rusty nail in the garden shed.
• His rusty hair gleamed in the sunlight.
• The autumn leaves turned a beautiful rusty orange.
• My Spanish is a bit rusty since I haven’t spoken it in years.
• After months without practice, her piano skills were rusty.
• The rusty gate creaked when we opened it.