Meaning of nonimprovement | Babel Free

Definitions

1. Lack of improvement; failure to improve.
   uncountable
2. A change that is not an improvement.
   countable

Examples

“The rate of imitation was about the same among solutions that were improvements and nonimprovements, suggesting that improvements were often achieved by imitating a relatively successful participant's solution and then slightly tweaking this solution.”

CEFR level