verb
noun
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a device that can be connected by means of a plug
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computing a module or piece of software that can be added to a system to provide extra functions or features, esp software that enhances the capabilities of a web browser
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computing ( as modifier )
plug-in memory cards
Other Word Forms
Noun Inflected Forms
Etymology
Origin of plug-in
First recorded in 1920–25; adjective and noun use of verb phrase plug in
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When they get home, the residents of a small housing association on the outskirts of Hudiksvall, Sweden, plug in their electric vehicles to charge them or, intriguingly, power their homes.
From Barron's • Jun. 12, 2026
Although the vehicles may be capable of driving themselves, they can’t clean their own interiors, plug in a charging cable or repair hardware.
From MarketWatch • Apr. 30, 2026
To game that out, Klosterman said you could invent and plug in a weather forecast with higher temperatures.
From Los Angeles Times • Mar. 26, 2026
Miliband's focus today is on plug in solar panels, which he says will be available to buy in the UK later this year.
From BBC • Mar. 23, 2026
While the other girls press Lara for more clues, I lie back on my pillow, pull out my cell phone, and plug in my earbuds.
From "Amari and the Night Brothers" by B.B. Alston
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.