deteriorate
verbNAmE//dɪˈtɪriəˌreɪt//
[intransitive]Verb Forms present simple I / you / we / they deteriorate he / she / it deteriorates
past simple deteriorated
-ing form deteriorating
NAmE//dɪˌtɪriəˈreɪʃn//
noun [uncountable, countable] a serious deterioration in relations between the two countriesSee deteriorate in the Oxford Advanced Learner's DictionaryCheck pronunciation: deteriorate