finicky vs fastidious

finicky and fastidious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
finicky	No	Yes	No	No
fastidious	No	Yes	No	No

finicky (adjective)	fastidious (adjective)
exacting especially about details	giving careful attention to detail; hard to please; excessively concerned with cleanliness
	having complicated nutritional requirements; especially growing only in special artificial cultures