If you mean "to perceive visually":
* Not see: This is the most direct opposite.
* Miss: This implies failing to notice something.
* Overlook: This means to fail to see something that is obvious.
* Ignore: This means to deliberately avoid seeing something.
If you mean "to understand":
* Not understand: This is the most direct opposite.
* Misunderstand: This implies interpreting something incorrectly.
* Be oblivious to: This means to be unaware of something.
* Disregard: This means to ignore something.
If you mean "to visit":
* Not visit: This is the most direct opposite.
* Avoid: This implies deliberately staying away from a place.
The best opposite word for "see" will depend on the specific situation and what you are trying to express.