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killer app

noun

Simple Definition of killer app

  • : an extremely valuable or useful computer program

Source: Merriam-Webster's Learner's Dictionary

Full Definition of killer app

  1. :  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

1988

First Known Use of killer app

1988


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