prominent vs outstanding

prominent and outstanding both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prominent	No	Yes	No	No
outstanding	No	Yes	No	No

As adjectives, prominent and outstanding are synonyms defined as:

prominent and outstanding: having a quality that thrusts itself into attention

Other synonyms of prominent include salient, spectacular, striking.

prominent (adjective)	outstanding (adjective)
having a quality that thrusts itself into attention	having a quality that thrusts itself into attention
conspicuous in position or importance	of major significance or importance
	distinguished from others in excellence
	owed as a debt