overtax
1. [ verb ] (government) tax excessively
Examples:

"Don't overtax my constituents!"

Related terms: tax
Similar spelling:   overt
  overdraw
  overtake
  overdraft
  overtaking
  ovrette
  overeat
  overtop
  Overton
  overtly
  overrate
  overawed
  overtire
  overtone
  overture
  Overturf
  overturn
  overtime
  overtrump
  overheat
  overdrive
  overdress
  overthrow