a. 高傲的, 自大的

[ adj ]
(used colloquially) overly conceited or arrogant
<adj.all>
a snotty little scion of a degenerate familythey're snobs--stuck-up and uppity and persnickety

Stuck-up \Stuck"-up`\, a.
Self-important and supercilious, ?onceited; vain; arrogant.
[Colloq.]

The airs of small, stuck-up, men. --A. K. H.
Boyd.