: 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.
Cinnamon, chia seeds, lemon, or vanilla powder are also popular add-ins. Alex Vance, Parents, 21 Apr. 2025 Depending on additions to the base, a soufflé can be a sweet dessert, such as lemon, chocolate, or even pumpkin; or a savory side or main with add-ins like cheese, meat, or carrots in this case. Cameron Beall, Southern Living, 16 Apr. 2025 That’s why businesses should ditch static cost projections and instead use a Monte Carlo simulation, leveraging Excel add-ins to predict a realistic range of AI expenses and outcomes. George Stelling, Forbes.com, 16 Apr. 2025 So rather than focusing on the base of your salad as your primary fiber source—the greens—concentrate on dressing it up with fiber-rich add-ins like artichoke hearts and legumes instead. Caroline Tien, SELF, 16 Apr. 2025 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 26 Apr. 2025.

Last Updated: - Updated example sentences
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