Source : Webster's Revised Unabridged Dictionary (1913)

Inurbane \In`ur*bane"\, a. [L. inurbanus. See {In-} not, and
   {Urbane}.]
   Uncivil; unpolished; rude. --M. Arnold. -- {In`ur*bane"ly},
   adv. -- {In`ur*bane"ness}, n.