mental retardation

Synonyms:

backwardness, retardation, slowness, subnormality

Types:

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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