impolitely

from WordNet (r) 3.0 (2006)

impolitely
    adv 1: in an impolite manner; "he treated her impolitely" [syn:
           {impolitely}, {discourteously}, {rudely}] [ant:
           {courteously}, {politely}]

from The Collaborative International Dictionary of English v.0.48

Impolite \Im`po*lite"\, a. [L. impolitus unpolishied, pref. im-
   not + politus, p. p. of polire to polish, refine. See
   {Polite}.]
   Not polite; not of polished manners; wanting in good manners;
   discourteous; uncivil; rude. -- {Im`po*lite"ly}, adv. --
   {Im`po*lite"ness}, n.
   [1913 Webster]