ostentatious
🇺🇸
/ˌɑːstenˈteɪʃəs/
🇬🇧
/ˌɒstenˈteɪʃəs/
trying to impress others by showing off wealth or luxury in a very visible way
She wore an ostentatious diamond ring that caught everyone's attention.
done in a way that is meant to be very noticeable and attract attention
His ostentatious arrival in a limousine turned heads at the party.