killer app

noun

A killer application.

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Meanings

nounkiller app (plural killer apps)

plural killer apps

  1. informalcomputingA killer application.
Cite this entry
APA

killer app. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/killer%20app

MLA

“killer app.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/killer%20app. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “killer app,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/killer%20app.

Source: killer app on Wiktionary, CC BY-SA 4.0.