retarded Meaning, Definition & Usage

  1. noun people collectively who are mentally retarded
    developmentally challenged; mentally retarded.
    • he started a school for the retarded
  2. verb cause to move more slowly or operate at a slower rate
    • This drug will retard your heart rate
  3. verb be delayed
  4. verb slow the growth or development of
    delay; retard; check.
    • The brain damage will retard the child's language development
  5. verb lose velocity; move more slowly
    decelerate; slow down; slow; retard; slow up.
    • The car decelerated
  6. adjective relatively slow in mental or emotional or physical development
    • providing a secure and sometimes happy life for the retarded