What is prefix for overstate?

There isn't a single, commonly used prefix for "overstate". However, depending on the context, you could use:

* Over-: This is the most straightforward option, simply indicating that something is "too much" or "excessive."

* Hyper-: This prefix suggests exaggeration or being beyond the normal.

* Ex-: This prefix implies something exceeding a limit or boundary.

Here are some examples:

* Overstate: The report overstated the company's profits.

* Hyperstate: The witness hyperstated the severity of the incident. (Less common)

* Exaggerate: The politician exaggerated the benefits of his policy.

Ultimately, the best prefix to use will depend on the specific nuance you want to convey.