persnickety vs snot-nosed

persnickety and snot-nosed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
persnickety	No	Yes	No	No
snot-nosed	No	Yes	No	No

As adjectives, persnickety and snot-nosed are synonyms defined as:

persnickety and snot-nosed: (used colloquially) overly conceited or arrogant

Other synonyms of persnickety include bigheaded, snooty, snotty, stuck-up, too big for one's breeches, uppish.

persnickety (adjective)	snot-nosed (adjective)
characterized by excessive precision and attention to trivial details	dirty with nasal discharge
(used colloquially) overly conceited or arrogant	(used colloquially) overly conceited or arrogant