used colloquially of one who is overly conceited or arrogant; "a snotty little scion of a degenerate family"-Laurent Le Sage; "they're snobs--stuck-up and uppity and persnickety"

Finicky or fussy; demanding attention to petty details; -- of people.

characterized by excessive precision and attention to trivial details; "a persnickety job"; "a persnickety school teacher"

snobbish; behaving aloofly.