add-in

adjective

ˈad-ˌin 

: 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

Diners can select from menu options like Pomegranate-Glazed Salmon, Steak & Avocado, Greek Salad and Falafel Crunch or create their own, Chipotle-style, by picking a base, protein, add-ins and toppings. — Linda Zavoral, Mercury News, 17 Aug. 2026

Plain water is one of the best options, especially when your smoothie already includes fruit, protein, and other flavorful add-ins. — HEALTH, 6 Aug. 2026

The add-in includes 15 grams of protein and will cost customers $2, the company said. — Saleen Martin, USA Today, 3 Aug. 2026

This now ubiquitous queso dip add-in was born in 1943 at a canning plant in a tiny Rio Grande Valley town. — Alana Al-Hatlani, Southern Living, 23 July 2026

Word History

First Known Use

1980, in the meaning defined above

Rhymes for add-in

• akin
• auxin
• buckskin
• chagrin
• crankpin
• deerskin
• foreskin
• fuchsin
• herein
• kingpin
• linchpin
• pigskin