Search Result for "mental retardation":
Wordnet 3.0

NOUN (1)

1. lack of normal development of intellectual capacities;
[syn: retardation, mental retardation, backwardness, slowness, subnormality]


WordNet (r) 3.0 (2006):

mental retardation n 1: lack of normal development of intellectual capacities [syn: retardation, mental retardation, backwardness, slowness, subnormality]