stuck up (adjective) stuck-up: snobbish
Sinonime: arrogant, big-headed,
cocky,
conceited,
condescending,
egotistic,
haughty, high-and-mighty, hoity-toity, nose in the air,
ostentatious,
patronizing,
pompous,
pretentious, puffed up, snippy, snooty, snotty, too big for one's britches, uppity,
vain