1
: application sense 3
a word processing app
especially
: an application designed for a mobile device (such as a smartphone)
Health-insurance companies and government officials alike are drawn to the ability of smartphone apps to reach tough-to-access patients, to effect long-term lifestyle changes, and to do it all at a very low cost. —
Marcellus Hall
see also killer app
Marcellus Hall 2
informal
: appetizer
… the hidden video monitors that tell the cooks when the V.I.P.'s have finished their apps …—Thomas McNamee
Thomas McNamee1
apparatus
2
appendix
3
appliance
Examples of app in a Sentence
Recent Examples on the Web
Evelyn Cheng, CNBC, 8 Feb. 2026
Delivery apps, freezer-aisle wing packs and an explosion of sauces have all helped drive demand, Kostyo said.
—Deirdre Bardolf, FOXNews.com, 8 Feb. 2026
Scroll through the week’s best of celebrity beauty and pop culture’s glam below, and head to the app to vote for your favorite.
—Anna Cafolla, Vogue, 7 Feb. 2026
Investigators have said that Nancy Guthrie's video doorbell and pacemaker app were both disconnected overnight.
—Jeanine Santucci, USA Today, 7 Feb. 2026
See All Example Sentences for app
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Noun
What sets Luckin apart has been its ability to build a robust pool of private user traffic through its smartphone ordering app, said Mingchao Xiao, founder of Zhimeng Trends Consulting.
—Evelyn Cheng, CNBC, 8 Feb. 2026
Delivery apps, freezer-aisle wing packs and an explosion of sauces have all helped drive demand, Kostyo said.
—Deirdre Bardolf, FOXNews.com, 8 Feb. 2026
Scroll through the week’s best of celebrity beauty and pop culture’s glam below, and head to the app to vote for your favorite.
—Anna Cafolla, Vogue, 7 Feb. 2026
Investigators have said that Nancy Guthrie's video doorbell and pacemaker app were both disconnected overnight.
—Jeanine Santucci, USA Today, 7 Feb. 2026
See All Example Sentences for app
Cite this Entry
“App.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/app. Accessed 8 Feb. 2026.
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