extravagant

adjective
1
spending a lot more money or using a lot more of something than you can afford or than is necessary
ولخرج, مسرف, اسراف کارانه
2
costing a lot more money than you can afford or is necessary
ولخرج, اسراف‌کار, گزاف, ولخرجانه
He bought us all these extravagant presents he couldn't really afford.
3
very extreme or impressive but not reasonable or practical
مفرط, افراطی, غیرمنطقی, غیرعملی
the extravagant claims/promises of politicians
I was embarrassed by all the extravagant praise I was getting.
He had the extravagant gestures and loud voice of an actor.
synonym exaggerated