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
   retard.
   
   • This drug will retard your heart rate
3. verb be delayed
   retard.
   
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

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