Keywords: night, evening, dark, darkness, darken
Sign Definition
As a Noun
                                            1. The part of each period of twenty-four hours when it is dark outside, especially the time when most people are sleeping. English = night.
                                          
                                          
                                        
                                            2. The time of the day between the end of the afternoon and the time when you go to bed. English = evening.
                                          
                                          
                                        
                                            3. The lack of light in a place. English = dark, darkness.
                                          
                                          
                                        As a Verb or Adjective
                                            1. To become darker and darker at the end of the afternoon; to become evening; to become night.
                                          
                                          
                                        
                                            2. Of a place or the sky, to become darker, for example because it is nearly night. English = darken.
                                          
                                          
                                        
                                            3. Of a place or situation, to lack light and to be difficult to see in. English = (be) dark.
                                          
                                          
                                         
                  
                      