ostentatiousness

他奢华的着装风格招致了同事们的批评。

His luxurious dressing style drew criticism for its ___ostentatiousness.

她无法忍受新邻居在社交媒体上展示财富的做派。

She couldn't stand her new neighbor's ___ostentatiousness in flaunting wealth on social media.

演讲者通过以卖弄的方式炫耀学识来赢得听众的钦佩。

The speaker aimed to win the audience's admiration by showing off knowledge with ___ostentatiousness.