discourteous

from WordNet (r) 3.0 (2006)

discourteous
    adj 1: showing no courtesy; rude; "a distant and at times
           discourteous young" [ant: {courteous}]
    2: lacking social graces [syn: {discourteous}, {ungracious}]

from The Collaborative International Dictionary of English v.0.48

Discourteous \Dis*cour"te*ous\ (?; see {Courteous}, 277), a.
   [Pref. dis- + courteous: cf. OF. discortois.]
   Uncivil; rude; wanting in courtesy or good manners;
   uncourteous. -- {Dis*cour"te*ous*ly}, adv. --
   {Dis*cour"te*ous*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

31 Moby Thesaurus words for "discourteous":
      abrupt, aweless, boorish, brusque, curt, derisive, disparaging,
      disrespectful, ill-bred, ill-mannered, impertinent, impolite,
      impudent, inaffable, insolent, irreverent, misbehaved, ridiculing,
      rude, short, unaccommodating, uncivil, uncomplaisant, uncourteous,
      uncourtly, ungallant, ungentlemanly, ungracious, unladylike,
      unmannerly, unpolite

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