nonimprovement

Etymology

From non- + improvement.

nonimprovement means lack of improvement; failure to improve. Lexicurio rates it Distinctive — a strength score of 68 out of 100.

noun

Lack of improvement; failure to improve.
A change that is not an improvement.“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.”