In·su·per·a·ble a.  Incapable of being passed over or surmounted; insurmountable; as, insuperable difficulties.
  And middle natures, how they long to join,
  Yet never pass the insuperable line?   --Pope.
     The difficulty is enhanced, or is . . . insuperable.   --I. Taylor.
  Syn: -- Impassable; insurmountable; unconquerable.
  -- In*su*per*a*ble*ness, n. -- In*su*per*a*bly, adv.
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