scarier; scariest            
        
    1
                    
                                          
              
          
                                                      : causing fright : alarming                                      
              
                             
a scary story
                         
                
                    3
                    
                                          
              
          
                                                      : feeling alarm or fright : frightened                                      
                
                    
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  Merriam-Webster unabridged




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