Keywords: mentally disabled, mental disability, intellectually disabled, intellectual disability
Sign Definition
As a Noun
                                            1. A disability affecting the brain so that a person has a reduced capacity for such things as learning, receptive and expressive language, and independent living. English = mental disability, intellectual disability.
                                          
                                          
                                        As a Verb or Adjective
                                            1. Of a person, to have a disability affecting the brain so that he/she has a reduced intellectual capacity for such things as learning, receptive and expressive language, and independent living. English = mentally disabled, intellectually disabled.