1. more affected by rust; having more rust
Usage: comparative form of rusty
2. less skilled or practiced due to lack of recent use
Usage: comparative form of rusty; figurative

Examples

• The old car in the garage looked rustier than it did last year.
• After years of neglect, the metal fence became rustier with each passing season.
• My piano skills are rustier now since I haven’t practiced in months.
• She felt rustier at public speaking after working from home for so long.
• The tools in the shed were rustier than expected after the wet winter.
• His French is getting rustier the longer he stays away from Paris.