Source : WordNet®

stymie
     n 1: a situation in golf where an opponent's ball blocks the line
          between your ball and the hole
     2: a thwarting and distressing situation
     v : hinder or prevent the progress or accomplishment of; "His
         brother blocked him at every turn" [syn: {obstruct}, {blockade},
          {block}, {hinder}, {stymy}, {embarrass}]
     [also: {stymying}]

stymying
     See {stymie}