indefensible
adjective
                                                                                                                            
                                                            in·de·fen·si·ble
                    
                                                                                                              
                                                                                                                                  ˌin-di-ˈfen(t)-sə-bəl  
                                                      
                                                          
            1
                    
        a
    
          
                                          
              
          
                                                      : incapable of being maintained as right or valid : untenable                                      
                
                    
        b
    
          
                                          
              
          
                                                      : incapable of being justified or excused : inexcusable                                      
              
                             
indefensible comments
                         
                
                    2
                    
                                          
              
          
                                                      : incapable of being protected against physical attack                                      
                
                    
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  Merriam-Webster unabridged




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