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



BrE BrE//ɪɡˌzæsəˈbeɪʃn//
; NAmE NAmE//ɪɡˌzæsəˈbeɪʃn//
[uncountable, countable](formal)
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the act of making something worse, especially a disease or problem the exacerbation of religious and racial tensions Over the next two years, Gary experienced numerous acute exacerbations of his illness.