a device that can be connected by means of a plug
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
computing ( as modifier )
plug-in memory cards
First recorded in 1920–25; adjective and noun use of verb phrase plug in
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Chinese carmaker has been struggling with slowing demand for the plug-in hybrid vehicles it specializes in.
From The Wall Street Journal • May 28, 2026
The joint venture would take responsibility for the sale and distribution of Dongfeng’s Voyah-branded NEVs, a category that includes fully electric variants and plug-in hybrids.
From The Wall Street Journal • May 21, 2026
China exported more electric vehicles and plug-in vehicles than gasoline or diesel cars for the first time in April, as automakers expanded aggressively overseas to offset subdued demand in the domestic market.
From The Wall Street Journal • May 11, 2026
Electrified cars, including plug-in hybrids, are more than 50% of new-car sales in China.
From Barron's • May 8, 2026
The other food—sliced turkey, ham, roast beef, and salami, a big tub of tuna salad, and meatballs in a plug-in pot—was off-limits.
From "When You Reach Me" by Rebecca Stead
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.
