Tune out

1. to become unresponsive to : ignore

2. to dissociate oneself from what is happening or one's surroundings.

3. to ignore someone or not give your attention to something or to what is happening around you:

5. To stop paying attention to or mentally distance oneself from the environment or surroundings. I already covered this material in my other class, so I just tune out and doodle in my notebook.I can tell the kids are tuning out when I start talking about verbs and pronouns.

6. To willfully ignore or stop paying attention to someone or something. In this usage, a noun or pronoun can be used between "tune" and "out."I have to try to tune out the kid's shouting when I work from home.Stop tuning me out! I'm just trying to tell you why I'm upset.