used colloquially Overly conceited or arrogant:
— They're snobs--stuck-up and uppity and persnickety.

synoniemen: bigheaded, snooty, snot-nosed, snotty, stuck-up, too big for one's breeches, uppish.

Characterized by excessive precision and attention to trivial details:
— A persnickety job.
— A persnickety school teacher.

synoniem: pernickety.