: 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
Chris Morris, Fortune, 13 May 2024
Improve lighting: Enhance your outdoor ambiance with solar lighting or plug-in fixtures.
—Tiffany Acosta, The Arizona Republic, 12 May 2024
See all Example Sentences for plug-in 
Adjective
There’s no word on price, whether the Hybrid 911 will be a plug-in model, nor whether the changes will impact the car’s iconic look.
—Chris Morris, Fortune, 13 May 2024
Improve lighting: Enhance your outdoor ambiance with solar lighting or plug-in fixtures.
—Tiffany Acosta, The Arizona Republic, 12 May 2024
See all Example Sentences for plug-in
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'plug-in.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near plug-in
Cite this Entry
“Plug-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plug-in. Accessed 29 May. 2024.
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