The Collaborative International Dictionary of English v.0.48:

Contumely \Con"tu*me*ly\, n. [L. contumelia, prob. akin to
   contemnere to despise: cf. OF. contumelie. Cf. Contumacy.]
   Rudeness compounded of haughtiness and contempt; scornful
   insolence; despiteful treatment; disdain; contemptuousness in
   act or speech; disgrace.
   [1913 Webster]

         The oppressor's wrong, the proud man's contumely.
                                                  --Shak.
   [1913 Webster]

         Nothing aggravates tyranny so much as contumely.
                                                  --Burke.
   [1913 Webster]

WordNet (r) 3.0 (2006):

contumely
    n 1: a rude expression intended to offend or hurt; "when a
         student made a stupid mistake he spared them no abuse";
         "they yelled insults at the visiting team" [syn: abuse,
         insult, revilement, contumely, vilification]