: 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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Beyond that, sour cream is another one of my go-to add-ins. Patricia S York, Southern Living, 18 Oct. 2024 Even subtracting out the Birth/Death model automatic add-in of 105K, the number actually counted, at 149K, was spot on to the 150K consensus view. Robert Barone, Forbes, 12 Oct. 2024 From bears and mushrooms to acorns and leaves, this slime kit has so many sweet add-ins. Jacquelyn Smith, Parents, 11 Oct. 2024 Feel free to make unique colors, add scents, or even use other add-ins to customize your playdough. Sherri Gordon, Parents, 26 Sep. 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

Dictionary Entries Near add-in

Cite this Entry

“Add-in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/add-in. Accessed 14 Nov. 2024.

Last Updated: - Updated example sentences
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