app

1 of 2

noun

Synonyms of appnext
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 has to be done in advance, and travelers also have to choose biometric screening in their airline apps. Shannon Bond, NPR, 21 Mar. 2026 Authorities in nearly a dozen Russian regions in recent weeks cited various excuses to prevent demonstrations against internet censorship and the blocking of the popular messaging app Telegram. ABC News, 21 Mar. 2026 Another new app feature, called Immersive Navigation, creates a 3D view that reflects structures and terrain around you and highlights crosswalks, lanes, stop signs and traffic lights. Robert Abitbol, USA Today, 21 Mar. 2026 Researchers found that this app requests 33 permissions, including access to text messages, call logs, contacts, microphone recordings and accessibility features. Kurt Knutsson, FOXNews.com, 21 Mar. 2026 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 24 Mar. 2026.

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

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