How to Use killer app in a Sentence

killer app

noun
  • What Worldcoin’s killer app will be is not yet clear.
    — IEEE Spectrum, 26 Dec. 2022
  • So far, the killer app is fighting cancer.
    — IEEE Spectrum, 22 Dec. 2025
  • When the Internet was young, no one knew what the killer app might be.
    — IEEE Spectrum, 20 Oct. 2020
  • There is no clear killer app in sight for 5G mobile networks.
    — John McCormick, WSJ, 9 Nov. 2020
  • The whole world is still looking for the ‘killer app’ for mobile 5G.
    — PCMAG, 20 Sep. 2022
  • Stablecoins are widely viewed as the next killer app for crypto.
    — Tanaya MacHeel, CNBC, 4 Apr. 2025
  • The News Feed’s killer app has always been easy, viral outrage.
    — Farhad Manjoo, New York Times, 12 Jan. 2018
  • Others emphasized that the tech wasn’t the issue at hand so much as the lack of a killer app or comfort.
    — Victoria Song, The Verge, 14 Feb. 2024
  • Google Plex could have been a digital checking account killer app.
    — Ron Shevlin, Forbes, 6 Dec. 2021
  • Advertisement For her, the new killer app is a very old one — playing great live shows.
    — August Brown, Los Angeles Times, 10 Apr. 2024
  • Stablecoins, or tokens that stand in for dollars, have become the killer app.
    — Brady Dale, Axios, 30 Oct. 2024
  • Obviously, the killer app to hook in there is Gmail, and that hasn't happened.
    — Lauren Goode, WIRED, 8 Feb. 2024
  • The search for a killer app Finding an impartial opinion on blockchain projects isn't easy.
    — Jeff John Roberts, Fortune, 21 Oct. 2020
  • One day, somebody will find a use for it — a killer app that will make 5G phones indispensable.
    — Hiawatha Bray, BostonGlobe.com, 17 June 2019
  • Is there a killer app that unlocks even more productivity from the hardware?
    — Ewan Spence, Forbes.com, 25 Aug. 2025
  • Stablecoins — widely believed to be crypto’s killer app — were a bright spot in the third quarter.
    — Tanaya MacHeel, CNBC, 30 Oct. 2024
  • But Facebook and its VR rivals still lack a killer app that can help sell the concept.
    — Dan Gallagher, WSJ, 12 Oct. 2017
  • Yet to many true believers, skirting those rules is DeFi’s killer app.
    — Michael P. Regan, Bloomberg.com, 24 Sep. 2021
  • The Lightning Network, once the Bitcoin nerds’ pet project, has emerged as the killer app.
    — Kjartan Rist, Forbes, 18 Dec. 2024
  • In search of the 'killer app' That magic trifecta isn't guaranteed.
    — Edward C. Baig, USA TODAY, 4 Sep. 2017
  • Live entertainment, and sports in particular, is the killer app of the media world these days.
    — Spencer Jakab, WSJ, 28 Aug. 2018
  • Why none of this looks like enterprise software The consumer killer app won’t look like a dashboard or workflow.
    — Shaw Walters, Forbes.com, 23 Jan. 2026
  • Their killer app is usually said to be factoring large numbers, which are the key to modern encryption.
    — Quanta Magazine, 29 Jan. 2018
  • Three years later, that killer app has turned into killer apps–cloud, edge, and high-performance computing workloads.
    — Matt Kimball, Forbes, 28 Apr. 2021
  • Perhaps the next killer app will be a GPS for monetary policy.
    — Michael Lynch, Forbes, 28 Feb. 2021
  • While many businesses continue to seek AI’s killer app, biochemists have already found it.
    — Jeremy Kahn, Fortune, 28 Nov. 2025
  • Like Facebook’s rise after the dot-com bubble burst, the killer app for Web3 may not have even been invented yet.
    — Adam Kovacevich, Fortune, 1 May 2023
  • The blockchain made to support bitcoin was meant to be an alternative to the dollar, but the first killer app turned out to be an all new way of using dollars.
    — Brady Dale, Axios, 17 Sep. 2024
  • As these networks spread, e-mail emerged as the killer app for bringing asynchronous communication to the office.
    — Cal Newport, The New Yorker, 6 Aug. 2019
  • However, the Celtics’ killer app is having the league’s best tandem in Tatum and Jaylen Brown.
    — Christopher L. Gasper, BostonGlobe.com, 31 Jan. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'killer app.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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