mental retardation(redirected from 'tard)
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n. Often Offensive
(Psychiatry) psychiatry the condition of having a low intelligence quotient (below 70)
a developmental disorder characterized in varying degrees by a subnormal ability to learn, a substantially low IQ, and impaired social adjustment.
Below-average intellectual ability resulting from genetic defect, brain injury, or disease, and usually present from birth or early infancy.
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|Noun||1.||mental retardation - lack of normal development of intellectual capacities|
stupidity - a poor ability to understand or to profit from experience
mental defectiveness, abnormality - retardation sufficient to fall outside the normal range of intelligence
imbecility - retardation more severe than a moron but not as severe as an idiot