Source : Webster's Revised Unabridged Dictionary (1913)

Argue \Ar"gue\, v. i. [imp. & p. p. {Argued}; p. pr. & vb. n.
   {Arguing}.] [OE. arguen, F. arguer, fr. L. argutare, freq. of
   arguere to make clear; from the same root as E. argent.]
   1. To invent and offer reasons to support or overthrow a
      proposition, opinion, or measure; to use arguments; to
      reason.

            I argue not Against Heaven's hand or will. --Milton.

   2. To contend in argument; to dispute; to reason; -- followed
      by with; as, you may argue with your friend without
      convincing him.