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
Recent Examples on the Web
Entrepreneurship is the secret sauce — the ‘killer app’ — of the American economy.
—
Ted Tucker, National Review, 22 June 2025
Considering the size and strength of that library, this already gives the Switch 2 an enormous advantage, a killer app, out of the gate.
—Jordan Minor, PC Magazine, 5 June 2025
That’s a killer app for a very small percentage of the population (such as people dealing with paralysis or blindness).
—IEEE Spectrum, 13 Nov. 2017
But the real killer app of the story, adapted by Chris and Paul Weitz, is the snarky worldview of the artificial life form at its center.
—James Poniewozik, New York Times, 14 May 2025
See All Example Sentences for killer app
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Ted Tucker, National Review, 22 June 2025
Considering the size and strength of that library, this already gives the Switch 2 an enormous advantage, a killer app, out of the gate.
—Jordan Minor, PC Magazine, 5 June 2025
That’s a killer app for a very small percentage of the population (such as people dealing with paralysis or blindness).
—IEEE Spectrum, 13 Nov. 2017
But the real killer app of the story, adapted by Chris and Paul Weitz, is the snarky worldview of the artificial life form at its center.
—James Poniewozik, New York Times, 14 May 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 28 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share