Keywords: dark, darkness, darken
Sign Definition
As a Noun
                                            1.  The lack of light in a place. English = dark, darkness.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Of a place or the sky, to become darker, for example because it is nearly night. English = darken.
                                          
                                          
                                        
                                            2.  Of a place or situation, to lack light and to be difficult to see in. English = (be) dark.
                                          
                                          
                                        
                                            3.  Of a thing, to be or have the colour that is quite near black. English = (be) dark.
                                          
                                          
                                        
                                            4. Of a colour or object, to be approaching black in shade, as in 'dark green'. English = dark.
                                          
                                          
                                         
                  
                      