people of moderate to extreme emotional retardation having a mental age from three to seven many years and usually being capable of some extent of communication and gratification of easy jobs under supervision. The expression belongs to a classification system no further in use and is today considered offensive.
an individual with limited psychological capability who can perform jobs and believe just like a child, in health groups meaning a person who does not have the capacity to develop beyond the psychological age of a normal five to seven-year-old child.
A fool, an idiot.
One destitute of power; esp., among feeble head; -- sometimes used as a pejorative term.
people with a degree of mental retardation between that of an idiot and a moron; in an old classification of mentally retarded individual, it put on a person with a grownup psychological chronilogical age of from four to eith many years, and an I.Q. of from 26 to 50.