Usually means: Software driving widespread technology adoption.
Definitions Related words Phrases Mentions
We found 15 dictionaries that define the word killer app:

General (12 matching dictionaries)
  1. killer app: Longman Dictionary of Contemporary English
  2. killer app: Merriam-Webster
  3. killer app: Oxford Learner's Dictionaries
  4. killer app: The Word Spy
  5. killer app: Collins English Dictionary
  6. killer-app: Wordnik
  7. killer app: Cambridge Advanced Learner's Dictionary
  8. killer app: Wiktionary
  9. killer app: Dictionary.com
  10. Killer App, Killer app: Wikipedia, the Free Encyclopedia

Computing (2 matching dictionaries)
  1. killer app: CCI Computer
  2. killer app: Encyclopedia

Slang (1 matching dictionary)
  1. killer app: Urban Dictionary

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Definitions from Wiktionary (killer app)

▸ noun:  (informal, computing) A killer application.

Similar:
killer application, crapplication, applications program, appisode, microapp, application program, application programme, appification, application, application software, more...

Phrases:
Attack of the Killer App, more...

▸ Words similar to killer app

▸ Usage examples for killer app

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▸ Words that often appear near killer app

▸ Rhymes of killer app

▸ Invented words related to killer app

Similar:
killer application, crapplication, applications program, appisode, microapp, application program, application programme, appification, application, application software, more...

Phrases:
Attack of the Killer App, more...



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