Source : Webster's Revised Unabridged Dictionary (1913)

Supreme \Su*preme"\, a. [L. supremus, superlative of superus
   that is above, upper, fr. super above: cf. F. supr[^e]me. See
   {Super-}, and cf. {Sum}.]
   1. Highest in authority; holding the highest place in
      authority, government, or power.

            He that is the supreme King of kings. --Shak.

   2. Highest; greatest; most excellent or most extreme; utmost;
      greatist possible (sometimes in a bad sense); as, supreme
      love; supreme glory; supreme magnanimity; supreme folly.

            Each would be supreme within its own sphere, and
            those spheres could not but clash.    --De Quincey.

   3. (Bot.) Situated at the highest part or point.

   {The Supreme}, the Almighty; God.