사치스러운 in English:

The party was very extravagant, with expensive champagne, caviar, and a string orchestra.

It is also clear that these sports stars often have extravagant lifestyles.

This diamond ring is too extravagant for me.

With her extravagant tastes, she was incapable of making ends meet.

He is inclined to look at everything from the standpoint of its practicality and is neither stingy nor extravagant.

The extravagant use of fossil fuels is causing environmental damage.

I was afraid you'd think I'd been a bit too extravagant.

She considered him extravagant with electricity.

Perhaps the robin's got a taste for the finer things in life and has become extravagant.