: 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 The company — which sells carbonated drinks enhanced with cream, syrup, candy and other add-ins — filed an application to open a location in the Quivira Crossings shopping center at 135th Street and Quivira Road in Overland Park. Jenna Thompson, Kansas City Star, 22 May 2024 That led to a discussion on potentially beneficial add-ins to that first cup of Joe. Sheah Rarback, Miami Herald, 24 Feb. 2024 It’s made from 100% cotton and makes a great add-in for an Easter basket or to gift the hostess of your Easter meal. Amanda Ogle, Southern Living, 16 Feb. 2024 The garnishes, or add-ins, can be as plain or fancy as one likes. Emiene Wright, Charlotte Observer, 30 Jan. 2024 Whether from a boxed mix or from scratch, brownies take well to a variety of add-ins. Becky Krystal, Washington Post, 22 Jan. 2024 In a one-pot solution for the turkey and snippets of leftover vegetables, French Laundry chef Thomas Keller’s Turkey Casserole uses it all — and an add-in or two — to create an entirely different, memorable meal. Julie Giuffrida, Los Angeles Times, 19 Nov. 2023 The brand’s monthly cocktail kits amp up the average tipple with add-ins like infusion oils, aromatic bitters and even accompanying Spotify playlists. Leigh-Ann Jackson, wsj.com, 24 Oct. 2023 Just make sure your add-ins are about the size of your macaroni. Robin Miller, The Arizona Republic, 20 July 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'add-in.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 29 May. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!