Word.ws English Dictionary

How to use pernicious in a sentence

14 example sentences · adjective

Pernicious means causing much harm in a subtle way. Example: “They warned of the pernicious effects of misinformation.”

Examples of pernicious by meaning

adjectiveCausing much harm in a subtle way.

  • They warned of the pernicious effects of misinformation.
  • The weed has a pernicious influence on local crops.
  • Puritanism no longer employs the thumbscrew and lash; but it still has a most pernicious hold on the minds and feelings of the American people.1911, Emma Goldman, “The Hypocrisy of Puritanism”, in Anarchism and Other Essays

More sentences with pernicious

  • Pernicious anemia and sickle-cell anemia are two anemias.From the entry anemia
  • The wretch had the pernicious habit of writing in Milanese dialect.2012, Rudolph Altrocchi, PhD; Edited by Paul and John Altrocchi, The Playful Spirit: Italian Humor - Page 130. From the entry wretchful
  • The film's most persistent (and pernicious) image is of a train, clanking and rambling down a track.1986 February 1, Robin Lippincott, “Shoah (review)”, in Gay Community News, volume 13, number 28, page 15. From the entry incantatory
  • Masked or larvate malaria, like pernicious malaria, needs complete overhauling.1909, William Heiskell Deaderick, A Practical Study of Malaria, page 232. From the entry complicate
  • They are exercising in London a most pernicious jesuitised influence.1902, Frank Hugh O'Donnell, The Ruin of Education in Ireland and the Irish Fanar, page 74. From the entry jesuitise
  • The region was also notorious for the pernicious infiltration of petroleum, called at the time Carbon Oil, which was a popular rather than scientific term.2020, “S. M. Kier., Petroleum, Pittsburgh”, in Virtual Museum of Historical Bottles and Glass. From the entry carbon oil
  • The crowded shelves give off an inviting, consoling, seductive odor that is also tinctured faintly with something pernicious, with poison and doom.1982, Saul Bellow, “Him with His Foot in His Mouth”, in Him with His Foot in His Mouth and Other Stories, New York, N.Y.: Harper & Row…. From the entry tincture
  • It would help overthrow the pernicious chauvinistic idea that, apart from certain elementary facts, Alles anderes ist Menschenwerk, all necessity, all intensionality, all value.1980, Don S. Mannison, Michael A. McRobbie, R. Routley, Richard Sylvan, editors, Environmental Philosophy, Research School of Social…. From the entry alles anderes ist Menschenwerk
  • In human society, there is an irreconcilable conflict between the concept of financial wellbeing of the individual and the pernicious desire for increased wealth of the politically well connected.2005, James Ronald Kennedy, Reclaiming Liberty, →ISBN, page 127. From the entry connected
  • Who does not know the practical man who in his own field denounces socialism as "pernicious rot" but when he steps outside his subject spouts socialism like any left journalist.1949, F. A. Hayek, “The Intellectuals and Socialism”, in University of Chicago Law Review, volume 16, number 3, Chicago: University of…. From the entry left
  • It is still necessary to warn clergymen against allowing the lazy and pernicious practice of 'clappering,' i.e. tying the bell-rope to the clapper, and pulling it instead of the bell.1903, Baron Edmund Beckett Grimthorpe, A rudimentary treatise on clocks and watches and bells. From the entry clapper

Meaning of pernicious

  1. adjective Causing much harm in a subtle way.
  2. adjective Causing death or injury; deadly.
  3. adjective Insidiously villainous: intending to cause harm, especially in a subtle way.

Full definition of pernicious

Questions about pernicious in a sentence

How do you use pernicious in a sentence?
Pernicious is used as an adjective. For example: “They warned of the pernicious effects of misinformation.”
What is a short sentence with pernicious?
“Pernicious anemia and sickle-cell anemia are two anemias.”
What does pernicious mean?
Pernicious means causing much harm in a subtle way.

Source and license

Adapted from Wiktionary: pernicious (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.

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