Definition of Persnickety

Adjective: persnickety pu(r)'sni-ki-tee

(used colloquially) overly conceited or arrogant
"they're snobs--stuck-up and uppity and persnickety";
- 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 school teacher";
- pernickety