\ 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 Of the 220 new charge points, 196 are now integrated in Enel X's JuicePass app, which allows users to manage the charging services available at connected public and private charging locations. Sebastian Blanco, Car and Driver, "From Argentina to Canada, Pan-American Electric-Vehicle Road Trip Now Possible," 11 Oct. 2020 Square has until recently offered only email support for the app, not a phone number for its customers to call. Nathaniel Popper, New York Times, "When Your Last $166 Vanishes: ‘Fast Fraud’ Surges on Payment Apps," 11 Oct. 2020 Gruenewald also created the ubiquitous bible app, YouVersion. Jacqueline Davalos,, "Venture Funders Flock to Religious Apps as Churches Go Online," 11 Oct. 2020 The First Academy, defending champ Lake Mary Prep and Circle Christian are ranked 1-2-3 for 1A in that order by the iWanamaker digital golf scoring app, which factors in scores along with course difficulty ratings. Buddy Collings,, "Florida high school golf favorites ready to tee off postseason," 8 Oct. 2020 Get them our favorite affordable smart plug from Eufy, which can be controlled via the Eufy Home app, Google Assistant, and Amazon’s Alexa. Kate Tully Ellsworth, USA TODAY, "50 great gifts under $25 people will actually use," 8 Oct. 2020 Project SafeFlight’s app, D-Bird, allows people to upload photos and locations of injured and dead birds in real time. Jeffery Jones, National Geographic, "Birds are crashing into NYC buildings. Record numbers are being rescued.," 8 Oct. 2020 Unfortunately, there’s no app to control the light. Benjamin Levin, CNN Underscored, "Light things up with the inflatable, waterproof Coconut Light," 8 Oct. 2020 The 2020 Chicago Marathon has a free mobile app with event information, leaderboards, selfie frames, a schedule of events and more for runners looking to mimic the full experience. Jamal Collier,, "What will the virtual 2020 Chicago Marathon be like? How to create your own route, cheer on those who run — and what the city is saying.," 8 Oct. 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

17 Oct 2020

Cite this Entry

“App.” Dictionary, Merriam-Webster, Accessed 22 Oct. 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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