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
Marcellus Hall 2
informal
: appetizer
… the hidden video monitors that tell the cooks when the V.I.P.'s have finished their apps …—Thomas McNamee
Thomas McNamee1
apparatus
2
appendix
3
appliance
Examples of app in a Sentence
Recent Examples on the Web
Joshua Yaffa, New Yorker, 8 May 2026
Similarly Sephora was early to develop its own mobile app for phone search and shopping.
—Jenny B. Fine, Footwear News, 8 May 2026
Some Russians are disgruntled about internet censorship and government control over online activities, including the blocking of the popular messaging app Telegram.
—ABC News, 8 May 2026
The Dare Market app allows people to challenge one another to complete dares for prizes or money, but discourages users from breaking any laws, Perfito said.
—James Queally, Los Angeles Times, 8 May 2026
See All Example Sentences for app
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Noun
The current tensions began to appear around the start of the year, when the Kremlin banned or restricted most messaging apps, except for one that had been developed by the state.
—Joshua Yaffa, New Yorker, 8 May 2026
Similarly Sephora was early to develop its own mobile app for phone search and shopping.
—Jenny B. Fine, Footwear News, 8 May 2026
Some Russians are disgruntled about internet censorship and government control over online activities, including the blocking of the popular messaging app Telegram.
—ABC News, 8 May 2026
The Dare Market app allows people to challenge one another to complete dares for prizes or money, but discourages users from breaking any laws, Perfito said.
—James Queally, Los Angeles Times, 8 May 2026
See All Example Sentences for app
Cite this Entry
“App.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/app. Accessed 10 May. 2026.
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