What is negative prefixes of coherent?

There isn't a single, universally accepted negative prefix for "coherent." However, depending on the specific nuance you're trying to convey, you could use several options:

* Incoherent: This is the most straightforward and common negative prefix, meaning lacking coherence or logical connection.

* Discoherent: This is a less common option, but it emphasizes the lack of connection or unity.

* Uncoherent: Similar to "incoherent," but slightly less formal.

* Noncoherent: This emphasizes the absence of coherence, but can be less idiomatic.

The best choice will depend on the context and the specific meaning you want to express.