General meaning:
* अतिशयोक्तिपूर्ण (atishayoktipurn): This literally means "exaggerated" and can be used to describe something that is excessive or over-the-top.
* अतिवादी (atiwaadi): This means "extremist" and can be used to describe someone who is extravagant in their spending or behavior.
* अत्यधिक (atyadhik): This means "excessive" and is a general term that can be used to describe something that is too much.
Specific contexts:
* वैभवशाली (vaibhavshaali): This means "luxurious" and can be used to describe something that is extravagant in its appearance or style.
* अपव्ययी (apyayee): This means "wasteful" and can be used to describe someone who is extravagant in their spending.
* बेहद (behad): This means "very" and can be used as an intensifier to emphasize the extravagance of something.
The best translation will depend on the specific context of the word "extravagant" in the sentence.