Luxurious
Splendid
noun, な adjective
So luxurious! So showy! Whatever this thing is, it is luxurious and splendid and I want one.
ごうか
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
うわっ！めっちゃ豪華やん。美味しそう。（関西弁）
Wow! That’s splendid. They look delicious. (Kansai-ben)