Source : Webster's Revised Unabridged Dictionary (1913)

Inartificial \In*ar`ti*fi"cial\, a. [Pref. in- not + artificial:
   cf. F. inartificiel.]
   Not artificial; not made or elaborated by art; natural;
   simple; artless; as, an inartificial argument; an
   inartificial character. -- {In*ar`ti*fi"cial*ly}, adv. --
   {In*ar`ti*fi"cial*ness}, n.