sumptuosity
[,sʌmptju'ɔsəti, -tʃu-]
n. 奢侈品；昂贵
同义词
参考例子
1.because a dinner on the desired scale of sumptuosity cannot be achieved within less limits than those of the non-existent palatial residence of which so many people are madly envious.
因为，如果按照他们所希望的豪华程度举办一次午宴的话，那么就只有那座实际并不存在，却有不少人垂涎三尺的富丽堂皇的公馆才容纳得下。
英文解释
n.
1.the quality possessed by something that is excessively expensive