dot·ty
                    
                                                                                                              
                                                                                                                                  ˈdä-tē  
                                                      
                                                          
            
            
              dottier; dottiest            
        
    1
                    
                                          
              
          
                                                      : not mentally sound                                      
                
                                
            also                
          
                                                      : amiably eccentric                                       
              
                             
            There's something delightful about meeting a 95-year-old who is as sharp as a tack. … That's way better than being known as the dotty old auntie or uncle …    — Carole Levy
Carole Levy          
                         
            2
                    
                                          
              
          
                                                      : being obsessed or infatuated                                      
              
                             
They met at school as teenagers and have been dotty about each other ever since.— Lynda Lee-Potter
Lynda Lee-Potter
                         
                
                    3
                    
                                          
              
          
                                                      : amusingly absurd : ridiculous                                      
              
                             
dotty ideas
                         
                
                    
                                
              
          
                                                      : composed of or marked by dots                                      
                
                    
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  Merriam-Webster unabridged




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