opulent
adj.adj. very rich and expensive, with lots of luxury and beautiful things. You use this to describe a place or a person that has a lot of wealth and style.
adj. characterised by great wealth, luxury, and extravagance. Often used to describe physical spaces, such as palaces or interiors, or the lifestyle of the wealthy.
The hotel has an opulent lobby with gold and marble.
The royal family's opulent lifestyle was often the subject of public debate regarding the use of public funds.
The museum's opulent collection of Renaissance art includes gilded ceilings and rare tapestries that reflect the immense wealth of the era.
Borrowed from Latin opulēns, opulentus, from ops (“wealth, power, resources”), from Proto-Indo-European *h₃op- (“to work; produce in abundance”).