drawback

drawback
    n 1: the quality of being a hindrance; "he pointed out all the
         drawbacks to my plan"
    

Drawback \Draw"back`\, n.
   1. A loss of advantage, or deduction from profit, value,
      success, etc.; a discouragement or hindrance;
      objectionable feature.
      [1913 Webster]

            The avarice of Henry VII . . . . must be deemed a
            drawback from the wisdom ascribed to him. --Hallam.
      [1913 Webster]

   2. (Com.) Money paid back or remitted; especially, a certain
      amount of duties or customs, sometimes the whole, and
      sometimes only a part, remitted or paid back by the
      government, on the exportation of the commodities on which
      they were levied. --M?Culloch.
      [1913 Webster]
    

DRAWBACK, com. law. An allowance made by the government to merchants on the 
reexportation of certain imported goods liable to duties, which, in some 
cases, consists of the whole; in others, of a part of the duties which had 
been paid upon the importation. For the various acts of congress which 
regulate drawbacks, see Story, L. U. S. Index, h.t. 
    

105 Moby Thesaurus words for "drawback":
      abatement, agio, allowance, bank discount, blemish, block,
      blockade, bottleneck, breakage, bug, cash discount, catch,
      chain discount, charge-off, concession, cordon, crack, curtain,
      cut, damage, deduction, defect, defection, deficiency,
      depreciation, determent, deterrent, detriment, difficulty,
      disability, disadvantage, discount, evil, failing, failure, fault,
      faute, flaw, foible, frailty, handicap, hang-up, harm, hazard,
      hindrance, hitch, hole, hurdle, hurt, ill, impairment, impediment,
      imperfection, inadequacy, inconvenience, infirmity, injury, joker,
      kickback, kink, liability, little problem, loss, loss of ground,
      mischief, objection, obstacle, obstruction, obstructive,
      one small difficulty, penalty, penalty clause, percentage,
      prejudice, premium, price reduction, price-cut, problem, rebate,
      rebatement, reduction, refund, rift, rollback, rub, salvage,
      setoff, shortcoming, snag, something missing, step backward,
      stumbling block, stumbling stone, taint, tare, time discount,
      trade discount, tret, trouble, underselling, vulnerable place,
      weak link, weak point, weakness, write-off