Formal:
* कुछ नहीं (Kuchh nahin): This is the most common and formal way to say "nothing."
* नहीं है (Nahin hai): This literally translates to "is not" and is used to express "nothing" when referring to an absence of something.
Informal:
* कुछ भी नहीं (Kuchh bhi nahin): This is a slightly more emphatic way to say "nothing" and emphasizes the complete absence of something.
* ज़रा भी नहीं (Zara bhi nahin): This translates to "not even a little bit" and is used to emphasize the absolute absence of something.
* नहीं (Nahin): This is a short and informal way to say "no," which can also imply "nothing."
Other options:
* शून्य (Shunya): This means "zero" and is used to express the complete absence of something, often in a more philosophical or abstract context.
* खाली (Khaali): This means "empty" and is used to describe a state of having nothing, often referring to a physical space or container.
The best way to say "nothing" in Hindi will depend on the specific situation and the level of formality you are aiming for.