Obstructor

1 definition found

From WordNet (r) 2.0 [wn]:

  obstructor
       n 1: someone who systematically obstructs some action that others
            want to take [syn: {obstructionist}, {obstructer}, {resister},
             {thwarter}]
       2: any structure that makes progress difficult [syn: {obstruction},
           {obstructer}, {impediment}, {impedimenta}]