Formal:
* بایست (bayest): This is the most formal way to say "stop."
* متوقف شو (motavakof sho): This is also a formal way to say "stop" and is more direct.
Informal:
* بس کن (bes kon): This is a more informal way to say "stop" and is often used with friends or family.
* واسه (vaseh): This is a very informal way to say "stop" and is only used in very casual situations.
In certain situations, you might use:
* ایست (eyest): This means "halt" and is more specific to stopping movement.
* خفه شو (khafeh sho): This means "shut up" and is a rude way to tell someone to stop talking.
The best way to say "stop" in Farsi depends on the situation and who you are speaking to.