Keywords: senile, senility, unintelligent
Sign Definition
As a Noun
                                            1. The condition of having lost one's mental powers and become less and less capable, especially because of age. English = senility.
                                          
                                          
                                        As a Verb or Adjective
                                            1. To lose one's mental powers and become less and less capable, especially because of age. English = become senile, be senile.
                                          
                                          
                                        
                                            2. Of mental capacity or intelligence or knowledge, to become diminished, less and less, weaker or enfeebled.
                                          
                                          
                                        
                                            3. Of a person's mental capacity or intelligence, to be very low, weak or impaired. English = unintelligent.