Adjective

1. With it's plug properly connected to the electric plug socket.

   Check if the television is plugged in.

2. Fully aware; in a state of keeping up with current information about a topic; engaged wholeheartedly in a task or cause; connected; informed; involved.

   By subscribing to this magazine, you can stay plugged in to current issues.

   My new boss is much more plugged in to the needs of his employees than my last boss.

   Even the most plugged-in politics enthusiasts had a hard time understanding his oblique references.

Verb

1. I plugged in the television.