snooty
/ˈsnu:tɪ; `snutɪ/ adj
(-ier, -iest) (infml derog 口, 贬) showing disapproval and contempt towards others 目中无人的; 妄自尊大的
a snooty letter refusing the invitation 一封拒绝邀请措词傲慢的信
She's so snooty; she never speaks to the neighbours. 她很傲慢, 从不与邻居说话.