Here are some options, with their nuances:
Hindi:
* जिज्ञासु (jijñāsu): This is the most common word for "curious" in Hindi. It emphasizes the desire for knowledge and understanding.
* उत्सुक (utsūk): This word implies a sense of eagerness or anticipation, often used to describe being curious about something specific.
* चौकस (caukas): This means "alert" or "attentive," but can also imply curiosity in a more general sense.
* रुचि (ruchi): This means "interest," and can be used to describe being curious about something.
Sanskrit:
* जिज्ञासु (jijñāsu): This word is the same as the Hindi word and has the same meaning.
* उत्सुक (utsūk): Same as the Hindi word.
* अभिलाषी (abhilāṣī): This means "desiring" or "aspiring," and can imply a sense of curiosity about something.
* वैचारी (vaicārī): This means "inquiring" or "investigative," suggesting a more intellectual form of curiosity.
The best word to use depends on the specific context. For example, if you're talking about someone who is curious about the world around them, "jijñāsu" might be a good choice. If you're talking about someone who is eager to learn something new, "utsūk" might be a better choice.
It's always a good idea to consider the specific nuances of the words and choose the one that best fits your meaning.