killer app

noun
|Updated on: 28 May 2018

Definition of killer app

: 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

Recent Examples of killer app from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'killer app.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of killer app

1988

in the meaning defined above

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KILLER APP Defined for English Language Learners

killer app

Definition of killer app for English Language Learners

  • : an extremely valuable or useful computer program


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