Third-person singular simple present indicative form of plug in

present participle of plug in

The act of stopping with a plug. / The material of which a plug or stopper is made. / An arrangement of plugs.

present participle of plug

Alternative form of plugged in

(transitive) To stop with a plug; to make tight by stopping a hole. / (transitive) To blatantly mention a particular product or service as if advertising it.

(electricity) A pronged connecting device which fits into a mating socket, especially an electrical one. / (loosely) An electric socket: wall plug.

Designed to be plugged into an electrical power outlet or circuit. / Able to be extended with further components in a modular fashion.

simple past tense and past participle of plug

Anything that plugs into something. / (computing) A module or device that interacts with another to add a specific feature or function.