ostentatious /ˌɑːstənˈteɪʃəs/ adjective /ˌɑːstənˈteɪʃəs/
adjective
Learner's definition of OSTENTATIOUS
[more ostentatious; most ostentatious] disapproving
: displaying wealth, knowledge, etc., in a way that is meant to attract attention, admiration, or envy炫耀的；招摇的 -
the ostentatious [=very large and expensive] summer homes of the rich富人们奢华夺目的避暑别墅
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the ostentatious [=pretentious] use of foreign phrases in conversation谈话里对外语用词的卖弄
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an ostentatious display of knowledge卖弄才学