noun

plugin

/ˈplʌɡɪn/ · say it: PLUG·in

an add-on extending a program's capabilities

In Technology & Computing

In more detail

1. (noun) a piece of software that can be added to a computer program to give it new features or abilities

2. (noun) a device that is pushed into a socket or opening to make an electrical connection

Examples

1. I installed a browser plugin to block advertisements.
2. The lamp's plugin was damaged, so I had to buy a new one.

How to use plugin

Plugin refers to software extensions that enhance existing applications or hardware devices that establish electrical connections. In computing contexts, it emphasizes modularity and the ability to extend functionality without modifying the core program. The term is common in informal and technical discourse, particularly regarding web browsers, media players, and development environments.

Common phrases

install a plugin
browser plugin
software plugin
plugin compatibility
disable a plugin
plugin interface

Synonyms

add-on · extension · module · adapter · attachment

Word family

plugins (plural)

A common mistake

Learners sometimes confuse plugin with plug-in (hyphenated version); both are acceptable, though plugin is increasingly standard in modern usage.

Learn it for good

Save this word in WordVale and it comes back for review right before you'd forget it — with pronunciation, real examples, and optional translations. One purchase, no subscription.

Get WordValeFREE 7-DAY TRIAL · iPHONE & iPAD