superb vs brilliant

superb and brilliant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
superb	No	Yes	No	No
brilliant	No	Yes	No	No

As adjectives, superb and brilliant are synonyms defined as:

superb (adjective)	brilliant (adjective)
surpassingly good	full of light; shining intensely
of surpassing excellence	having strong or striking color
	characterized by grandeur
	having or marked by unusual and impressive intelligence
	clear and sharp and ringing
	of surpassing excellence