Source : Webster's Revised Unabridged Dictionary (1913)

Unconditioned \Un`con*di"tioned\, a.
   1. Not conditioned or subject to conditions; unconditional.

   2. (Metaph.) Not subject to condition or limitations;
      infinite; absolute; hence, inconceivable; incogitable.
      --Sir W. Hamilton.

   {The unconditioned} (Metaph.), all that which is
      inconceivable and beyond the realm of reason; whatever is
      inconceivable under logical forms or relations.