Source : Webster's Revised Unabridged Dictionary (1913)

Inhibitory \In*hib"i*to*ry\, a. [LL. inhibitorius: cf. F.
   inhibitoire.]
   Of or pertaining to, or producing, inhibition; consisting in
   inhibition; tending or serving to inhibit; as, the inhibitory
   action of the pneumogastric on the respiratory center.

         I would not have you consider these criticisms as
         inhibitory.                              --Lamb.

   {Inhibitory nerves} (Physiol.), those nerves which modify,
      inhibit, or suppress a motor or secretory act already in
      progress.

Source : WordNet®

inhibitory
     adj : restrictive of action; "a repressive regime"; "an overly
           strict and inhibiting discipline" [syn: {repressive}, {repressing}]