hindrance

hindrance (http://definr.com/hindrance)

     n 1: something immaterial that interferes with or delays action
          or progress [syn: deterrent, impediment, handicap]
     2: any obstruction that impedes or is burdensome [syn: hitch,
         preventive, preventative, encumbrance, incumbrance,
         interference]
     3: the act of hindering or obstructing or impeding [syn: interference]