Formal:
* प्रभावशाली (prabhaavshaali): This is the most common and literal translation of "impressive," meaning "having a strong effect or influence."
* आकर्षक (aakarshak): This translates to "attractive" or "appealing," and can be used to describe something that is visually impressive.
Informal:
* शानदार (shaandaar): This means "splendid" or "magnificent," and is often used to express admiration for something impressive.
* अद्भुत (adbhut): This means "amazing" or "wonderful," and can be used for something that is both impressive and surprising.
* बहुत बढ़िया (bahut badhiya): This means "very good" or "excellent," and can be used to express general approval.
Other options:
* प्रभावित (prabhaavit): This means "impressed" and can be used to describe a person's reaction to something impressive.
* चौंका देने वाला (chaunkane wala): This means "astonishing" or "shocking," and can be used for something that is truly impressive and unexpected.
The best word to use depends on the specific context and the tone you want to convey.