Not aware; not noticing; giving no heed; thoughtless; inattentive.
                                                            
                                                     
                        
                                                
                        
                        
                            (often followed by `of') not aware; "seemed unaware of the scrutiny"; "unaware of the danger they were in"; "unaware of the newborn hope"; "the most unaware person I've known" 
                                                            
                                                     
                        
                                                
                        
                        
                            not aware or knowing; "an unwitting subject in an experiment"