形容词

1. 豪华的；浮华的；铺张的
If you describe something as ostentatious, you disapprove of it because it is expensive and is intended to impress people.

2. （人）炫耀的，夸示的，卖弄的
If you describe someone as ostentatious, you disapprove of them because they want to impress people with their wealth or importance.

1. intended to attract notice and impress others

e.g. an ostentatious sable coat

Synonym: pretentious

2. (of a display) tawdry or vulgar

Synonym: pretentious