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Adjective: retarded  ri'taa(r)-did
  1. Relatively slow in mental, emotional or physical development
    "providing a secure and sometimes happy life for the retarded"
Noun: retarded  ri'taa(r)-did
  1. People collectively who are mentally retarded
    "he started a school for the retarded";
    - mentally retarded, developmentally challenged
Verb: retard  ri'taa(r)d
  1. Cause to move more slowly or operate at a slower rate
    "This drug will retard your heart rate"
     
  2. Be delayed
     
  3. Slow the growth or development of
    "The brain damage will retard the child's language development";
    - check, delay
     
  4. Lose velocity; move more slowly
    - decelerate, slow, slow down, slow up

See also: backward, cretinous, delayed, dim-witted, feebleminded, half-witted, idiotic, imbecile, imbecilic, moronic, simple, simple-minded, slow-witted, stupid, unintelligent

Type of: alter, be, change, decelerate, decrease, diminish, fall, lessen, modify, people, slow down

Antonym: precocious

Encyclopedia: Retarded

Retard