1
                    
                                          
              
          
                                                      : the fact of being old                                      
              
                             
She died of old age.
                         
                
                    2
                    
                                          
              
          
                                                      : the time of life when a person is old                                      
              
                             
He's getting sweeter in his old age.
                         
                
                    
                                
              
          
                                                      : of, for, or relating to old people                                      
              
                             
an old-age home
                         
                
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  Merriam-Webster unabridged




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