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
That’s without the 5% discount when bought in the Samsung shop app, or the double storage promotion the company often runs. Janhoi McGregor, Forbes.com, 5 Apr. 2025 One measure rejected by Republicans would have barred Pentagon officials from using commercial messaging apps to share war plans, a jab at Defense Secretary Pete Hegseth’s Signal controversy. David Sivak, The Washington Examiner, 5 Apr. 2025 Teams was a novel addition to its software bundle, though the app’s success came during the Covid pandemic after the explosive growth in products like Zoom and Slack, which Salesforce acquired. Jordan Novet, CNBC, 4 Apr. 2025 With the now disregarded deadline looming this weekend, the likes of Apple and Google had been nervous of the status of TikTok in their respective app stores and on U.S. servers. Dominic Patten, Deadline, 4 Apr. 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 8 Apr. 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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