: being or able to be added to and enclosed within an existing system (such as a computer)
add-in hardware
add-in noun

Examples of add-in in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One taster commented that this recipe has all the greatest hits of deviled egg add-ins, including the hot sauce, horseradish, and Worcestershire sauce. Sarah Martens, Better Homes & Gardens, 21 Mar. 2025 This meal would take nicely to any number of protein add-ins, though, like rotisserie chicken, shrimp, or scallops. Mary Shannon Wells, Southern Living, 13 Mar. 2025 Like coffee, many newbies start with all the add-ins. Jenna Thompson, Kansas City Star, 7 Mar. 2025 Aside from the add-ins, drinking decaf coffee may also be an option for many people. Erica Lamberg, Fox News, 11 Dec. 2024 See All Example Sentences for add-in

Word History

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of add-in was in 1980

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Cite this Entry

“Add-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-in. Accessed 2 Apr. 2025.

Last Updated: - Updated example sentences
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