feebleminded's Usage Examples:

A state institution for feebleminded of western Pennsylvania at Polk, Venango county, was opened in 1897 (act of 1893), and the eastern Pennsylvania state institution for feeble-minded and epileptic at Spring City, Chester county, was opened in 1908 (act of 1903).

Howe, and for association with Laura Bridgman and Helen Keller; the Massachusetts school for idiotic and feebleminded children (1839); and the Massachusetts charitable eye and ear infirmary (1824), all receive financial aid from the commonwealth, which has representation in their management.

Synonyms:

backward, slow-witted, half-witted, retarded,

Antonyms:

forward, prospective, progressive, intelligent, precocious,