Gaudy
Pomp, Splendor, Splendour
な adjective, noun
If something has showy beauty then it's going a little overboard and is going to come across as gaudy. Too much is too much.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
華美なドレスはひかえた方がいいんじゃないですか。
Shouldn't you restrain yourself from wearing a gaudy dress?
華美なデザインなのに、落ち着いた印象もあるとてもいい作品だね。
It's a very nice piece, with an extravagant design, but also leaves a calm impression.
華美なシャンデリアの真下に、ジャガイモが１つだけポツンと落ちていた。
Beneath the lavish chandelier, there was a single potato lying all alone.
中古車がよく売れる地域としても有名で、華美な生活を好まないことで知られている県は何県でしょう？
Which prefecture is known for being a good market for used cars and for its reputation of not favoring a flashy lifestyle?