persnickety

Overparticular about trivial details; fastidious.

Snobbish; pretentious.

Requiring strict attention to detail; demanding.

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

snobbish; behaving aloofly.

Fastidious or fussy.

Obsessive about mundane details, demanding for precision.

characterized by excessive precision and attention to trivial details

(used colloquially) overly conceited or arrogant