1) Adjective for a brat 2) Bigheaded 3) Condescending 4) Dirty with nasal discharge 5) Overly conceited or arrogant 6) Persnickety 7) Proud 8) Slang for contemptible; nasty 9) Snooty 10) Snot-nosed 11) Stuck up and full of attitude 12) Stuck-up 13) Uppish Found on https://www.crosswordclues.com/clue/snotty