na-adjective, noun
lavish; luxurious; showy; gaudy
Describes something visually rich, extravagant, or ostentatious, often with a slightly negative connotation of being overly flashy.
彼女の華奢なドレスはパーティーで目立っていた。
Her lavish dress stood out at the party.
そのホテルのロビーは華奢な装飾で飾られていた。
The hotel lobby was decorated with luxurious ornaments.