SUPREMELY

supremely, sublimely

(adverb) to the maximum degree; “he was supremely confident”; “He seemed irritated at Edouard’s questions but, apart from that, sublimely unconcerned”; “she remained sublimely oblivious to the possible havoc she might have caused”

Source: WordNet® 3.1

Etymology

Adverb

supremely (comparative more supremely, superlative most supremely)

To the greatest, highest, or utmost degree.

Source: Wiktionary

Su*preme"ly, adv.

Definition: In a supreme manner.

SUPREME

Su*preme", a. Etym: [L. supremus, superlative of superus that is above, upper, fr. super above: cf. F. suprême. 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.)

Definition: Situated at the highest part or point. The Supreme, the Almighty; God.

Source: Webster’s Unabridged Dictionary 1913 Edition