What is the meaning of killer?

noun

  • Someone who causes the death of a person or animal.
  • The causal agent resulting in death.
    • usage: "heart disease is the biggest killer in the United States"
  • A difficulty that is hard to deal with.
    • usage: "that exam was a real killer"
  • Predatory black-and-white toothed whale with large dorsal fin; common in cold seas.
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APAWordNet. (2010). killer. Retrieved December 14, 2017, from http://smartdefine.org/killer/definitions/1213911
ChicagoWordNet. 2010. "killer" http://smartdefine.org/killer/definitions/1213911 (accessed December 14, 2017).
HarvardWordNet 2010, killer, Smart Define, viewed 14 December, 2017, <http://smartdefine.org/killer/definitions/1213911>.
MLAWordNet. "killer" 23 October 2010. Web. 14 December 2017. <http://smartdefine.org/killer/definitions/1213911>
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