ostentatious
[adjective]
Synonyms: pretentious, brash, conspicuous, flamboyant, flashy, gaudy, loud, obtrusive, showy

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Antonyms: unostentatious

[TahlilGaran] English Synonym Dictionary ▲

os‧ten‧ta‧tious /ˌɒstənˈteɪʃəs◂, -ten- $ ˌɑː-/ adjective

1. something that is ostentatious looks very expensive and is designed to make people think that its owner must be very rich:
She carried her car keys on an ostentatious gold key ring.
an ostentatious display of wealth

2. someone who is ostentatious likes to show everyone how rich they are:
He was vain and ostentatious.
—ostentatiously adverb

[TahlilGaran] Dictionary of Contemporary English ▲