Antonym: amelioration. Similar words: deteriorate, determination, oration, adoration, decoration, exploration, corporation, restoration. Meaning: [dɪ‚tɪərɪə'reɪʃn] 
n. 1. a symptom of reduced quality or strength 2. process of changing to an inferior state.
n. 1. a symptom of reduced quality or strength 2. process of changing to an inferior state. 
Random good picture Not show
(151) This comprehensive report on the deterioration of the financial crisis of Europe is also bad news.
(152) All patients survived the surgery, and none had neurologic deterioration immediately postoperatively.
(153) How to restore the vegetation of subalpine coniferous forest in eastern Qinghai-Tibet Plateau, and change the trend of ecological deterioration is a very important issue.
(154) The relationship between seed deterioration in 4 Brassica vegetative species and their fluorescent leachates was compared.
More similar words: deteriorate, determination, oration, adoration, decoration, exploration, corporation, restoration, elaboration, anterior, exterior, ulterior, interior, incorporation, commemoration, collaboration, alliteration, esterification, deleterious, detention, determinative, criterion, ratification, gratification, superior, self-gratification, ration, inferior, rationed, derivation.