noun
improvement
im-PROOV-munt/ɪmˈpruːvmənt/
A change or process that makes something better.
Repairing the broken bench makes a clear improvement.

Etymology
The base meant “turn to profit,” so improvement originally concerned profitable use or management. Its meaning broadened from obtaining an advantage to making something better in quality or condition.
In context
… INTJs thrive on finding better solutions and encountering complacency or resistance to improvement hampers their ability to innovate.
More examples
- His handwriting showed steady improvement.
- They suggested several improvements to the design.
- There is still room for improvement.
Forms
improvement · improvements
improve verb — make or become better
Similar words
- progress
- Emphasizes advancement toward a goal.
- betterment
- More formal and usually emphasizes the process of becoming better.