Source : Webster's Revised Unabridged Dictionary (1913)

Inflammatory \In*flam"ma*to*ry\, a. [Cf. F. inflammatoire.]
   1. Tending to inflame, kindle, or irritate.

   2. Tending to excite anger, animosity, tumult, or sedition;
      seditious; as, inflammatory libels, writings, speeches, or
      publications. --Burke.

   3. (Med.) Accompanied with, or tending to cause,
      preternatural heat and excitement of arterial action; as,
      an inflammatory disease.

   {Inflammatory crust}. (Med.) Same as {Buffy coat}, under
      {Buffy}.

   {Inflammatory fever}, a variety of fever due to inflammation.

Source : WordNet®

inflammatory
     adj 1: characterized or caused by inflammation; "an inflammatory
            process"; "an inflammatory response"
     2: arousing to action or rebellion [syn: {incendiary}, {incitive},
         {instigative}, {rabble-rousing}, {seditious}]