American English

Definition of retard verb from the Oxford Advanced American Dictionary

     

    retard

     verb
    verb
    NAmE//rɪˈtɑrd//
     
    retard something (formal)Verb Forms present simple I / you / we / they retard
     
    he / she / it retards
     
    past simple retarded
     
    -ing form retarding
     
     
    jump to other results
  1. 1to make the development or progress of something slower synonym delay, slow down
  2. 2 The progression of the disease can be retarded by early surgery. The lack of a rail link retarded the town's development.
retardation
 
jump to other results
NAmE//ˌritɑrˈdeɪʃn//
 
noun [uncountable] Many factors can lead to growth retardation in unborn babies.