1. pernicious

adjective. ['pɝˈnɪʃəs'] exceedingly harmful.


  • noxious
  • deadly
  • baneful


  • wholesome
  • nonfatal
  • pardonable
  • avirulent

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Rhymes with Pernicious

  • superstitious
  • expeditious
  • surreptitious
  • repetitious
  • injudicious
  • suspicious
  • propitious
  • nutritious
  • fictitious
  • factitious
  • capricious
  • seditious
  • malicious
  • judicious
  • delicious
  • auspicious
  • ambitious
  • vicious

How do you pronounce pernicious?

Pronounce pernicious as pərˈnɪʃəs.

US - How to pronounce pernicious in American English

UK - How to pronounce pernicious in British English

Sentences with pernicious

1. Adjective
In its most pernicious form a deficiency can lead to vision loss followed by death.

Quotes about pernicious

1. What is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your advantage. The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.
- Marcus Tullius Cicero

2. The idea that one can go to the fossil record and expect to empirically recover an ancestor-descendant sequence, be it of species, genera, families, or whatever, has been, and continues to be, a pernicious illusion.
- Gareth J. Nelson

2. pernicious

adjective. ['pɝˈnɪʃəs'] working or spreading in a hidden and usually injurious way.


  • harmful
  • subtle


  • ecdemic
  • endemic
  • nontoxic