\ ˈap How to pronounce app (audio) \

Definition of app

 (Entry 1 of 2)

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
2 informal : appetizer … the hidden video monitors that tell the cooks when the V.I.P.'s have finished their apps— Thomas McNamee

Definition of app (Entry 2 of 2)

1 apparatus
2 appendix
3 appliance

Examples of app in a Sentence

Recent Examples on the Web: Noun But an analysis by the Washington Post on how the campaigns reach voters who sign up for their organizing apps suggested that the Biden campaign was not pursuing contacting voters as hard as the Trump campaign does. Emily Larsen, Washington Examiner, "Biden says he’s ‘winning’. Here’s a look at the numbers," 14 May 2020 Countries in the European Union are being urged to make their COVID-19 contact-tracing apps interoperable—for the sake of Europe’s $2 trillion tourism industry. David Meyer, Fortune, "Europe’s plan to save the sacred summer vacation depends on contact-tracing apps—but there’s a problem," 13 May 2020 To pick up a mask, the company says that users will have to download its digital wallet app and scan a QR code at the vending machine. Michelle Toh, CNN, "Razer is using vending machines to give out millions of free face masks in Singapore," 12 May 2020 University Health System recently updated its new mobile app to give patients free access to a virtual triage and to schedule telehealth visits. Laura Garcia,, "For the first time, telemedicine is surging in San Antonio," 7 May 2020 The Cornell Lab of Ornithology in Ithaca, New York, has seen downloads of its free bird identification app, Merlin ID, increase by 102% over the same time last year, with 8,500 downloads on Easter weekend alone. Meghan Overdeep, Southern Living, "Birdwatching Takes Off as Americans Head Outside," 5 May 2020 The prestigious Cornell Lab of Ornithology in Ithaca, N.Y., has seen downloads of its free bird identification app, Merlin ID, shoot up 102 percent over the same time last year, with 8,500 downloads on Easter weekend alone. Gillian Flaccus,, "Bird-watching soars amid coronavirus as Americans head outdoors," 2 May 2020 When you’re done, tap Stop to store the GIF in your Gallery app. David Nield, Popular Science, "Seven Samsung Galaxy tricks you can’t do on any other phone," 30 Apr. 2020 As a former colleague noted, The New York Times has done a great service by making its coronavirus coverage free, but what the people really want is access to its cooking app. Ryu Spaeth, The New Republic, "Cooking While the World Falls Apart," 30 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'app.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of app


1981, in the meaning defined at sense 1

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Statistics for app

Last Updated

18 May 2020

Cite this Entry

“App.” Dictionary, Merriam-Webster, Accessed 27 May. 2020.

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More Definitions for app


How to pronounce app (audio)

English Language Learners Definition of app

computers : a computer program that performs a special function

Medical Definition of app

 (Entry 1 of 2)


Medical Definition of APP (Entry 2 of 2)

amyloid precursor protein

Legal Definition of App


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More from Merriam-Webster on app

Thesaurus: All synonyms and antonyms for app

Nglish: Translation of app for Spanish Speakers

Britannica English: Translation of app for Arabic Speakers

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