overwithhold
verb
                                                                                                                            
                                                            over·with·hold
                    
                                                                                                              
                                                                                                                                  ˌō-vər-with-ˈhōld 
                                                                                                                              
            -wit͟h-
                                                      
                                                          
            
              overwithheld
                                        ˌō-vər-with-ˈheld 
                                    
    -wit͟h-
    
; overwithholding            
        
                                
              
          
                                                      : to withhold too much of (something)                                      
                
                                
            especially                
          
                                                      : to deduct a greater amount of (money) from an employee's pay for tax than the employee is legally required to pay                                       
              
                             
            At least two-thirds of us overwithhold our pay for federal tax purposes.    —
Brent Hunsberger          
                                       If you often get a big tax refund, you're overwithholding.    —
Sheryl Nance-Nash          
                         
            Love words? Need even more definitions?
  
  Merriam-Webster unabridged




Share