However, you can use the following options depending on the context:
Comparative:
* More fuzzy: This is the most straightforward and common option.
* Fuzzier: This is a less formal option, but still acceptable.
* More unclear: If you're referring to the lack of clarity, this option might be better.
* More indefinite: Similar to "more unclear," this option implies vagueness.
Superlative:
* Most fuzzy: This is the most common option.
* Fuzziest: A less formal option.
* Most unclear: If you're emphasizing lack of clarity.
* Most indefinite: Similar to "most unclear," this option emphasizes vagueness.
It's important to choose the option that best fits the meaning you want to convey.