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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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adv. - In a noxiously baneful way; In a harmfully insidious manner.

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Usage examples (34)
  • Adjective : pernicious teachings; a pernicious lie. ,a pernicious disease
  • This makes the narcissist perniciously exploitative.
  • And perniciously the question arose, which is more real?
  • Poison Ivy plagued us perniciously last year in a new corn bed.
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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.