Poor, penniless, destitute
The opposite of luxurious would be uncomfortable, shoddy, cheap, or inferior. It can also be austere, meaning not fancy or opulent.
expensive opulent, expensive, pricy, highbrow,
The opposite (for a person) would be immodest. To a great degree, it would be arrogant or boastful.The opposite of modest (for other uses) could be substantial or great (a modest inheritance). For a home, the opposite could be large, palatial, or opulent.
the origin of the word is simply "opulent".
King lives an opulent life. People desire opulent lifestyles.
what is the opulent slide master
The opulent mansion was adorned with gold trimmings and velvet drapes, creating a luxurious and grand atmosphere.
The opulent ballroom was adorned with sparkling chandeliers and luxurious velvet drapes.
The queen choose to wear her most opulent crown for the ceremony.
lame
The corporate tycoons of the 20th century had lavish and opulent mansions.The opulent lifestyle of the rajahs is still evident in the surviving palaces.He lived in an opulent mansion with many antiques and relics.
opulent