# plug-in

> English word · Adjective · IPA /ˈplʌɡ.ɪn/

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

## Etymology
Deverbal from plug in.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/plug-in