killer app
noun
: a computer application of such great value or popularity that it assures the success of the technology with which it is associated
broadly
: a feature or component that in itself makes something worth having or using
Examples of killer app in a Sentence
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So far, the killer app is fighting cancer.
—
IEEE Spectrum, 22 Dec. 2025
While many businesses continue to seek AI’s killer app, biochemists have already found it.
—Jeremy Kahn, Fortune, 28 Nov. 2025
CashApp's 58 million users and a killer app for Square will lead to faster growth.
—Jim Cramer, CNBC, 20 Nov. 2025
Is there a killer app that unlocks even more productivity from the hardware?
—Ewan Spence, Forbes.com, 25 Aug. 2025
See All Example Sentences for killer app
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IEEE Spectrum, 22 Dec. 2025
While many businesses continue to seek AI’s killer app, biochemists have already found it.
—Jeremy Kahn, Fortune, 28 Nov. 2025
CashApp's 58 million users and a killer app for Square will lead to faster growth.
—Jim Cramer, CNBC, 20 Nov. 2025
Is there a killer app that unlocks even more productivity from the hardware?
—Ewan Spence, Forbes.com, 25 Aug. 2025
See All Example Sentences for killer app
Cite this Entry
“Killer app.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/killer%20app. Accessed 31 Dec. 2025.
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