: designed to be connected to an electric circuit by plugging in
a plug-in toy
a plug-in circuit board
1
: something that plugs in
2
: a small piece of software that supplements a larger program (such as a browser)
plugged in; plugging in; plugs in
: to establish an electric circuit by inserting a plug
: to attach or connect to an electric receptacle (such as an outlet)
Examples of plug-in in a Sentence
Recent Examples on the Web
Bryan Hood, Robb Report, 13 Apr. 2026
The Transporter eHybrid's plug-in hybrid powertrain is more straightforward, coming in a single 229-hp spec.
—New Atlas, 12 Apr. 2026
Hattie Lindert, Pitchfork, 27 Apr. 2026
Furthermore, it is expected that Great Tang EV will go up against rivals such as the Geely Galaxy M9, a large plug-in hybrid SUV that has already gained momentum with more than 11,000 deliveries in just the first two months of the year.
—Bojan Stojkovski, Interesting Engineering, 25 Apr. 2026
See All Example Sentences for plug-in
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Adjective
This setup, which is used by the current Porsche Cayenne and upcoming Audi Q9, which can accommodate a range of combustion engines and a plug-in hybrid system.
—Bryan Hood, Robb Report, 13 Apr. 2026
The Transporter eHybrid's plug-in hybrid powertrain is more straightforward, coming in a single 229-hp spec.
—New Atlas, 12 Apr. 2026
Noun
Using an Analog Rytm saturator and a few choice plug-ins, Luke Fenton approaches sung snippets like wet clay, endlessly moldable with a little osmosis.
—Hattie Lindert, Pitchfork, 27 Apr. 2026
Furthermore, it is expected that Great Tang EV will go up against rivals such as the Geely Galaxy M9, a large plug-in hybrid SUV that has already gained momentum with more than 11,000 deliveries in just the first two months of the year.
—Bojan Stojkovski, Interesting Engineering, 25 Apr. 2026
See All Example Sentences for plug-in
Cite this Entry
“Plug-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plug-in. Accessed 2 May. 2026.
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