D defs.my
Entry 1 sense Webster, 1913

Disimprovement

· Dis·im·prove·ment · IPA /dɪsɪmˈpɹuvmənt/
01 n. Reduction from a better to a worse state; as, disimprovement of the earth; specific features which are worse than former features; disimpro…
  1. 1.
    Reduction from a better to a worse state; as, disimprovement of the earth; specific features which are worse than former features; disimprovements in the new Windows operating system.