: 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.
Then toss in your add-ins, such as nuts or nut butter, seeds, avocado, and a teaspoon of sweetener, such as honey or pure maple syrup, if desired. 8. Jamie Johnson, Verywell Health, 6 Feb. 2025 Flavor add-ins will make your vinaigrette even better, and so much fresher-tasting than store-bought. Josh Miller, Southern Living, 4 Jan. 2025 This add-in also theoretically adds another potential surface for cyber attacks, which is interesting given that Meet prides itself on its minimal attack surface. PCMAG, 12 Dec. 2024 Coffee add-ins The healthiness of a particular coffee depends on the type and amount of milk or cream used and how that aligns with someone's health goals, Cording said. 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

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 21 Feb. 2025.

Last Updated: - Updated example sentences
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