What does the word pernicious mean?

    Part of speech: noun

  • Perniciousness.

  • Part of speech: adverb

  • Perniciously.

  • Part of speech: adjective

  • Having power to destroy or injure.

Usage examples for pernicious

  1. All political and all moral evils are the effects of this pernicious cause- private property. – Rousseau Volumes I. and II. by John Morley
  2. It seared his intellect as a pernicious habit blasts the character. – 'Firebrand' Trevison by Charles Alden Seltzer
  3. Catlin regards the habit of sleeping with the mouth open the most pernicious of all bad habits. – The Mechanism of the Human Voice by Emil Behnke