Source : Webster's Revised Unabridged Dictionary (1913)

Unadulterate \Un`a*dul"ter*ate\, Unadulterated
\Un`a*dul"ter*a`ted\, a.
   Not adulterated; pure. ``Unadulterate air.'' --Cowper. --
   {Un`a*dul"ter*ate*ly}, adv.

Source : WordNet®

unadulterated
     adj : not mixed with impurities; "unadulterated maple syrup"; "the
           unadulterated truth"; "here is genius unadulterated"-
           Amy Loveman