mental deficiency
The definition of a mental deficiency is something wrong or lacking in a person's brain, thought process or ability to think and learn.
mental defect
mental handicap
The state or condition of being subnormal.
brain-damage
Injuries to the nervous system
Severe intellectual disability. This term belongs to a classification system no longer in use.
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The state of being backward.
(Physics) A unit, the reciprocal of velocity, that delineates the amount of time required for an object to travel a given distance.
(Music) A diminishing of tempo; a retard.
Find another word for mental-retardation. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for mental-retardation, like: mental deficiency, mental defect, mental handicap, subnormality, dementia, brain-damage, amentia, backwardness, slowness and retardation.
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