retard
verbNAmE//rɪˈtɑrd//
retard something (formal)Verb Forms present simple I / you / we / they retard he / she / it retards
past simple retarded
-ing form retarding
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NAmE//ˌritɑrˈdeɪʃn//
noun [uncountable] Many factors can lead to growth retardation in unborn babies.See retard in the Oxford Advanced Learner's DictionaryCheck pronunciation: retard