prohibitory

from WordNet (r) 3.0 (2006)

prohibitory
    adj 1: tending to discourage (especially of prices); "the price
           was prohibitive" [syn: {prohibitive}, {prohibitory}]

from The Collaborative International Dictionary of English v.0.48

Prohibitory \Pro*hib"it*o*ry\, a. [L. prohibitorius.]
   Tending to prohibit, forbid, or exclude; implying
   prohibition; forbidding; as, a prohibitory law; a prohibitory
   price.
   [1913 Webster]

   {Prohibitory index}. (R. C. Ch.) See under {Index}.
      [1913 Webster]