app

1 of 2

noun

ˈap 

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

app

2 of 2

abbreviation

1

apparatus

2

appendix

3

appliance

Examples of app in a Sentence

Recent Examples on the Web

Noun

In 2025, Russia asked that Apple remove 1,213 apps—many of these VPN apps designed to thwart the country’s draconian Internet censorship. — Nate Anderson, ArsTechnica, 26 June 2026

The offer is available in stores and on the Good Times app, while supplies last. — Gabe Hauari, USA Today, 26 June 2026

Jonathan was the sibling who first learned the good news, after checking the lottery app early in the morning after the March 3 drawing. — Paloma Chavez, PEOPLE, 26 June 2026

Your phone holds your email, passwords, photos, banking apps and personal data. — Kurt Knutsson, FOXNews.com, 26 June 2026

Word History

First Known Use

Noun

1981, in the meaning defined at sense 1

Phrases Containing app

• killer app

Rhymes for app

• cap
• chap
• clap
• crap
• flap
• frap
• gap
• hap
• lap
• nap
• nappe
• pap

Kids Definition

app

noun

ˈap

1

: application sense 6

2

informal : appetizer

Medical Definition

app

1 of 2 abbreviation

appendix

APP

2 of 2 abbreviation

amyloid precursor protein

Legal Definition

App

abbreviation

Appeals