1 luxurious

2 extravagant

1 luxury good

1 an extravagant hope

2 to have excessive expectations

1 luxurious

2 sumptuous

3 lavish

1 to make extravagant demands

2 an unreasonable request

1 it is hard to become frugal after becoming accustomed to luxury (idiom)

1 easy to become accustomed to luxury, hard to become accustomed to frugality (idiom)

1 to refrain from high standard of living (idiom)

1 extravagant in the extreme (idiom)

1 to indulge in a life of luxury (idiom); extreme extravagance