hamper
     n 1: a restraint that confines or restricts freedom (especially
          something used to tie down or restrain a prisoner) [syn:
           {shackle}, {bond}, {trammel}, {trammels}]
     2: a basket usually with a cover
     v 1: prevent the progress or free movement of; "He was hampered
          in his efforts by the bad weather"; "the imperilist
          nation wanted to strangle the free trade between the two
          small countries" [syn: {halter}, {cramp}, {strangle}]
     2: put at a disadvantage; "The brace I have to wear is
        hindering my movements" [syn: {handicap}, {hinder}]
Source: WordNet® 2.0