Dis*cour"te*ous*ly

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]