unpresidential
adjective
                                                                                                                            
                                                            un·pres·i·den·tial
                    
                                                                                                              
                                                                                                                                  ˌən-ˌpre-zə-ˈden(t)-shəl  
                                                                                                                              
            -ˌprez-ˈden(t)-
                                                      
                                                          
                                
              
          
                                                      : not presidential                                      
                
                                
            especially                
          
                                                      : not befitting a president                                       
              
                             
            unpresidential language/behavior    
                         
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  Merriam-Webster unabridged




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