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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Grave harmfulness or deadliness.

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Usage examples (35)
  • Adjective : pernicious teachings; a pernicious lie. ,a pernicious disease
  • He returns to the perniciousness of Treasury's inconsistency.
  • In Jeddah, Husain finds Wahhabi society in all its perniciousness.
  • Yet Rove's true perniciousness goes beyond even these Swift boat strategies.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.