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)
Origin: L. Supremus, superlative of superus that is above, upper, fr. Super above: cf. F. Supreme. See Super-, and cf. Sum.