disimprovements

Noun

disimprovement (countable and uncountable, plural disimprovements)

1. Reduction from a better to a worse state.
   • [...] '[T]is very reaſonable, that all ſhould be obliged to the Law of Justice. [...] And as to the Public, 'twould be all one as if there were no Property; and then for want of Encouragement and Security, the final iſſue of the matter would be, an utter neglect and diſimprovement of the Earth, and...1687, John Norris, “The Christian Law Asserted and Vindicated, or A General Apology for the Christian Religion, both as to the Obligativeness and Reasonableness of the Institution”, in A Collection...

   Synonyms:

   decline, deterioration, worsening

   Antonyms:

   amelioration, betterment, improvement

2. (informal, rare, influenced by the German noun Verschlimmbesserung) Attempt to make something better while ending up worse than before.