* No one: This is the most direct opposite, meaning "not a single person."
* Nobody: This is another way to say "no one."
* None: This is a more formal way to say "no one" and can also refer to things, not just people.
* Specifically: This emphasizes that you're talking about a particular person or group, not just anyone.
* In particular: Similar to "specifically," this focuses on a specific individual or group.
Here's an example:
Original sentence: Anyone can learn to play the guitar.
Antonym sentence: No one can learn to play the guitar without practice.
It's important to consider the context of your sentence and what you want to convey when choosing an antonym for "anyone."