Adjective of "ignore"

The primary meaning of ignore is to disregard somebody. Ignorant is synonymous with unlearned and uninformed. Ignorable assigns somebody or something a low priority. I'm looking for an adjective that describes an action towards the object, such that I can rephrase the following sentence:

He ignores me.

into

He is [adjective] towards me.

Possible candidates: inattentive, indifferent, unresponsive, invisible and finally uncaring.

The meaning of ignore as verb is

• refuse to take notice of or acknowledge; disregard intentionally.
  • to fail to consider (something significant)
  • to reject an indictment as groundless

The adjective that is derived from ignore is ignorable.

If you are looking for an adjective to use, you can use indifferent, uninterested, or uncaring.

Ignore is the verb. OED gives ignorable as the adjective. I haven't seen it in use much, but here are two attempts at using it:

You may think the problem is ignorable, but I think it will not go away.

He may be ignorable, but do not underestimate him.