English

Definition of deterioration noun from the Oxford Advanced Learner's Dictionary

 

deterioration

 noun
noun
BrE BrE//ˌtɪəriəˈreɪʃn//
 
; NAmE NAmE//ˌtɪriəˈreɪʃn//
 
[uncountable, countable]
 
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the fact or process of becoming worse deterioration (in something) a serious deterioration in relations between the two countries deterioration (into something) her deterioration into severe depression