Pernicious
ahd-5
adjective.
Tending to cause death or serious injury; deadly.
adjective.
Causing great harm; destructive.
The Century Dictionary and Cyclopedia
Quick.
Having the property of destroying or being injurious; hurtful; destructive.
Wicked; malicious; evil-hearted.
the GNU version of the Collaborative International Dictionary of English
adjective.
Quick; swift (to burn).
adjective.
Having the quality of injuring or killing; destructive; very mischievous; baleful; malicious; wicked.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Causing much
harm
in a
subtle
way.
adjective.
Causing
death
or
injury
;
deadly
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
exceedingly harmful
adjective.
working or spreading in a hidden and usually injurious way
Word Usage
"It is time to undertake the reform of what I call a pernicious prejudice."
cross-reference
pernicious fever
progressive pernicious anemia
Equivalent
harmful
noxious
Etymologically Related
pernicious anaemia
Rhyme
Words with the same terminal sound
Delicious
ambitious
auspicious
capricious
delicious
Same Context
Words that are found in similar contexts
abominable
degrade
destructive
detestable
disgraceful
Synonym
Words with the same meaning
baleful
baleful
baneful
baneful
brutal