dishabille
noun
                                                                                                                            
                                                            dis·ha·bille
                    
                                                                                                              
                                                                                                                                  ˌdi-sə-ˈbēl  -ˈbil
                                                                                                                                  -ˈbil  
                                                      
                                                          
            
            variants  
 or deshabille    
        
    1
                    
        a
    
          
                                archaic 
                                  
              
          
                                                      : negligee                                      
                
                    
        b
    
          
                                          
              
          
                                                      : the state of being dressed in a casual or careless style                                      
                
                    
2
                    
                                          
              
          
                                                      : a deliberately careless or casual manner                                      
                
                    
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  Merriam-Webster unabridged




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