app

1 of 2

noun

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 appsThomas McNamee

app

2 of 2

abbreviation

1
apparatus
2
appendix
3
appliance

Examples of app in a Sentence

Recent Examples on the Web
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Noun
The best working use case for algorithmic management is working for ridesharing apps such as Uber or Lyft, which employ software to manage their contract drivers. Joe McKendrick, Forbes, 28 Feb. 2025 For both Waterhouse and Jamie, one of the most impactful aspects of the app is recognizing the good things even when having a bad day. Emily Burns, WWD, 28 Feb. 2025 In a statement that touted the release of a Skype app for Apple’s iPhone, Donahoe announced that eBay would launch a Skype initial public offering as part of a separation. Jordan Novet, CNBC, 28 Feb. 2025 The Charlotte Area Transit System’s newest service is here: a rideshare-like program offering a cheaper alternative to apps such as Uber and Lyft. Mary Ramsey, Charlotte Observer, 28 Feb. 2025 See All Example Sentences for app

Word History

First Known Use

Noun

1981, in the meaning defined at sense 1

Time Traveler
The first known use of app was in 1981

Cite this Entry

“App.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/app. Accessed 4 Mar. 2025.

Kids Definition

app

noun
ˈap
1
2
informal : appetizer

Medical Definition

app

1 of 2 abbreviation
appendix

APP

2 of 2 abbreviation
amyloid precursor protein

Legal Definition

App

abbreviation
Appeals

More from Merriam-Webster on app

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