unplumbed vs profound

unplumbed and profound both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unplumbed	No	Yes	No	No
profound	No	Yes	No	No

As adjectives, unplumbed and profound are synonyms defined as:

unplumbed and profound: situated at or extending to great depth; too deep to have been sounded or plumbed

Other synonyms of unplumbed include unfathomed, unsounded.

unplumbed (adjective)	profound (adjective)
situated at or extending to great depth; too deep to have been sounded or plumbed	showing intellectual penetration or emotional depth
	situated at or extending to great depth; too deep to have been sounded or plumbed
	(of sleep) deep and complete
	of the greatest intensity; complete
	far-reaching and thoroughgoing in effect especially on the nature of something
	coming from deep within one