The Collaborative International Dictionary of English v.0.48:

Derogative \De*rog"a*tive\, a.
   Derogatory. -- De*rog"a*tive*ly, adv. [R.] --Sir T. Browne.

   Syn: belittling, depreciative, deprecatory, depreciatory,
        derogatory, detractive, detracting, slighting,
        pejorative, denigratory.
        [1913 Webster]