from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Tending to cause death or serious injury; deadly: a pernicious virus.
- adj. Causing great harm; destructive: pernicious rumors.
- adj. Archaic Evil; wicked.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Causing much harm in a subtle way.
- adj. Causing death or injury; deadly.
from the GNU version of the Collaborative International Dictionary of English
- adj. Quick; swift (to burn).
- adj. Having the quality of injuring or killing; destructive; very mischievous; baleful; malicious; wicked.
from The Century Dictionary and Cyclopedia
- Having the property of destroying or being injurious; hurtful; destructive.
- Wicked; malicious; evil-hearted.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. exceedingly harmful
- adj. working or spreading in a hidden and usually injurious way
It is time to undertake the reform of what I call a pernicious prejudice.
My eyes overflow, my dear Pauline; and Maitland will chide me for indulging what he calls a pernicious sensibility.
It skews consumption and investment in pernicious ways.
Progressives are too eager to believe that national health care will make it possible to expand coverage while reducing costs — reducing deficits, even! — apparently because all those costs are in pernicious “overhead,” which seems to be joining that political holy trinity “waste, fraud, and abuse.”
Presumably, what makes political networks so pernicious is not their personal sex life, but the very real damage they do to their states in the form of myopic and self-aggrandizing lawmaking, incompetent appointees, and a perversion of our democratic institutions.
The most pernicious is Proposition 25, which is being sold as a good government measure to end the state's annual fiscal follies and pass a budget on time.
Lane suggests that idea of dramatizing this tale — “a low-grade musing on atrocity, garnished with erotic titillation” — was “pernicious from the start.”
Yet more pernicious is the result when that worldview is encoded, unquestioned, systemic.
The ingroup-outgroup distinction has the power to distort and bias our attitudes towards outgroup members in pernicious ways.
A reticulocyte response does not necessarily mean that specific material which the body lacks has been supplied, for there are other substances and conditions that cause reticulocytosis in pernicious anemia, which do not regularly promote normal blood formation.