unquestioning
adjective
                                                                                                                            
                                                            un·ques·tion·ing
                    
                                                                                                              
                                                                                                                                  ˌən-ˈkwes-chə-niŋ 
                                                                                                                              
            -ˈkwesh-
                                                      
                                                          
                                
              
          
                                                      : not questioning : not expressing or marked by doubt or hesitation                                      
              
                             
unquestioning obedience
                                       unquestioning loyalty
                         
                
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  Merriam-Webster unabridged




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