1. Slow to learn or understand;
A person of mild mental retardation having a mental age of from 7 to 12 years and generally having communication and social skills enabling some degree of speech and communication.
A person of mild mental retardation having a mental age of from 7 to 12 years and generally having communication and social skills enabling some degree of speech and communication.
by Ex-2009 May 17, 2013