mental retardation

/ˌmɛntl ˈriˈtɑrˌdeɪʃən/

Definitions of mental retardation

1. noun

   lack of normal development of intellectual capacities
   synonyms: backwardness, retardation, slowness, subnormality

   types:

   abnormality, mental defectiveness

   retardation sufficient to fall outside the normal range of intelligence

   mental deficiency, moronity

   mild mental retardation

   amentia, idiocy

   extreme mental retardation

   imbecility

   retardation more severe than a moron but not as severe as an idiot

   feeblemindedness

   severe mental deficiency

   type of:

   stupidity

   a poor ability to understand or to profit from experience