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What is another word for pernicious?

Need synonyms for pernicious? Here's a list of similar words from our thesaurus that you can use instead.

Adjective
▲
Causing much harm in a subtle way
adverse
deleterious
detrimental
damaging
harmful
dangerous
injurious
baleful
baneful
hurtful
pestilential
bad
counterproductive
disastrous
inimical
malignant
noxious
pestiferous
pestilent
prejudicious
ruinous
calamitous
cancerous
corrupting
deadly
destructive
fatal
lethal
nocuous
poisonous
prejudicial
unfavorableUS
unfavourableUK
unhealthy
unwholesome
devastating
disadvantageous
ill
insidious
malefic
maleficent
malign
miasmatic
miasmic
mortal
nefarious
negative
nocent
noisome
spiteful
toxic
venomous
virulent
destroying
killing
ruining
undesirable
unfortunate
evil
wicked
environmentally unfriendly
mischievous
more ❯
“One could hardly ask for a better example of the legal realism he would so soon consider to be a pernicious and dangerous idea.”
Adjective
▲
Sinister or evil in nature
evil
invidious
malefic
maleficent
malevolent
malicious
malignant
sinister
immoral
injurious
opprobrious
unjust
vindictive
wicked
wrongful
hurtful
iniquitous
mischievous
toxic
sinful
base
heinous
vile
bad
unrighteous
corrupt
ungodly
nefarious
unscrupulous
depraved
more ❯
“I pray that the supplicant's family may be spiritually fortified against the pernicious intent of malicious people.”
Adjective
▲
Arousing or meriting strong disgust, aversion, or displeasure
noisome
disgusting
offensive
foul
distasteful
nasty
noxious
repellent
repugnant
repulsive
abhorrent
abominable
loathsome
obnoxious
revolting
sickening
disagreeable
displeasing
foetidUK
fetidUS
horrible
malodorous
nauseating
objectionable
odious
off-putting
unpleasant
horrid
nauseous
putrid
rancid
ugly
uninviting
vile
detestable
execrable
gross
hateful
mephitic
rank
unpalatable
unsavoryUS
unsavouryUK
bad
ghastly
harmful
poisonous
smelly
stinking
yucky
appalling
awful
beastly
bogging
deleterious
dreadful
evil
fulsome
God-awful
hideous
horrendous
hurtful
injurious
mischievous
obscene
reeking
repellant
scandalous
shocking
sick-making
skanky
unhealthy
baneful
disgustful
festy
loathly
niffy
olid
pestiferous
pestilential
more ❯
Adjective
▲
Inflicting suffering onto others without conscience
cruel
brutal
savage
inhuman
barbaric
barbarous
brutish
bloodthirsty
murderous
homicidal
cut-throat
vicious
ferocious
fierce
wicked
evil
fiendish
devilish
diabolical
heinous
abominable
monstrous
atrocious
vile
hideous
ghastly
nasty
spiteful
mean
callous
malicious
sadistic
ruthless
merciless
unmerciful
pitiless
malevolent
unsparing
unrelenting
remorseless
uncaring
unsympathetic
malignant
uncharitable
heartless
stony-hearted
hard-hearted
cold-hearted
cold-blooded
nefarious
bloodless
unfeeling
unemotional
unkind
inhumane
severe
harsh
stern
inclement
flinty
draconian
beastly
dastardly
bestial
depraved
immoral
maleficent
sanguinary
truculent
slaughterous
uncompassionate
violent
wolfish
wrathful
brute
butcherly
hateful
roughshod
virulent
wanton
more ❯
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Related Words and Phrases

perniciousness
perniciously

See Also

Nearby Words
perniciously
perniciousness
pernickety
pernickety eater
pernio
pernios
pernambuco
pern
permyriad
Permyak
permuting
permutes
10-letter Words Starting With
p
pe
per
pern
perni
pernic
pernici
pernicio
perniciou
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