feeblemindedness

English Thesaurus

1. severe mental deficiency (noun.cognition)

hypernym	:	abnormality, mental defectiveness,
definition	:	retardation sufficient to fall outside the normal range of intelligence (noun.cognition)

derivation	:	backward, feebleminded, half-witted, slow-witted,
definition	:	retarded in intellectual development (adj.all)

derivation	:	backward, feebleminded, half-witted, slow-witted,
definition	:	retarded in intellectual development (adj.all)