v. Slang 1. To lose concentration or become inattentive: I sensed the class was zoning out, so I started talking louder.
2. To lose awareness of one's surroundings: An hour after I took the cough syrup, I lay back in bed and zoned out.
3. To refuse to pay attention to someone or something; ignore someone or something: The athlete zoned out the jeering crowd and made the free-throw shot. Every time I try to give you advice, you zone out everything I say.
4. To cause someone or something to lose awareness of one's surroundings: The medication that I take zones me out.
5. To exclude someone or something by restricting a section of an area or territory: Farmers complain that the government has zoned them out of the best farmland. The city zoned out adult entertainment companies.