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.