Dictionary

verb

Definitions

1. To close, terminate, or end.

   Example: They are planning to shut down the entire building at the end of the month.

2. To turn off or stop.

   Example: It's a good idea to shut down the machine before you leave.

3. To emotionally withdraw into oneself as a defense mechanism; to block out external stressors.

   Example: I can't talk to him about a certain thing; he just shuts down anytime I try.

4. (auto racing, car culture) To pass (another vehicle), especially quickly.