Unsure vs Controvertible - What's the difference?

As adjectives the difference between unsure and controvertible

is that unsure is uncertain while controvertible is open to questioning; that which can be denied, challenged, or disputed.

(er)

uncertain

I'm still unsure whether to attend the wedding.

unstable or precarious

* agnostic (unsure of facts, having no decided opinion on a matter)

(en adjective)

Open to questioning; that which can be denied, challenged, or disputed.

* disputable

* incontrovertible

* *