dialogue de sourds
French noun phrase
                                                                                                                            
                                                            di·a·logue de sourds
                    
                                                                                                              
                                                                                                                                  dē-ä-lȯg-də-su̇r 
                                                      
                                                          
            
                                
              
          
                                                      : dialogue of the deaf : an exchange of views in which neither party listens to the other                                      
                
                    
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  Merriam-Webster unabridged




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