No he isn't. That would just be illogical. His entire motivation was to become the world's greatest swordsman, if he already is that halfway, what's the point of his character now then?
Yes Mihawk would have a lot more difficulty to beat him now, however that doesn't take away that Zoro is at this point not stronger than him.
Yes Mihawk would have a lot more difficulty to beat him now, however that doesn't take away that Zoro is at this point not stronger than him.