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What is another word for malignant?

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

Adjective
▲
Malicious in nature, behavior or intent
malicious
malevolent
evil
vicious
nasty
hostile
spiteful
pernicious
hurtful
mean
vindictive
bitter
malign
bad
cruel
rancorous
unkind
hateful
maleficent
catty
wicked
inimical
malefic
pitiless
acrimonious
despiteful
splenetic
menacing
evil-intentioned
full of hate
of evil intent
ill-disposed
ill-natured
mean-spirited
more ❯
“The drug trafficker Harry Lime is on screen for only a few minutes, yet his malignant personality stains every sequence.”
Adjective
▲
Tending to cause death or severe physical harm or injury
deadly
fatal
lethal
destructive
mortal
terminal
deathly
pernicious
dangerous
baleful
noxious
murderous
pestilent
poisonous
harmful
baneful
incurable
toxic
injurious
pestilential
infectious
venomous
pestiferous
irremediable
mephitic
mortiferous
nocuous
uncontrollable
spreading
internecine
invasive
diseased
malevolent
envenomed
virulent
death-dealing
life-threatening
more ❯
“Patients with severe neutropenia with fever or signs of infection and those with evidence of malignant disease should be hospitalized.”
Adjective
▲
Pertaining to or having the appearance of a cancerous tumor
metastatic
cancerous
carcinogenic
carcinomatous
oncogenic
tumorous
non-benign
diseased
destructive
harmful
mortal
“We describe a case of a highly malignant primary liver tumor in an elderly woman.”
Adjective
▲
Highly infectious or contagious
virulent
contagious
infectious
communicable
transmittable
infective
pestilential
transmissible
pernicious
spreading
uncontrollable
catching
pestiferous
highly contagious
highly infectious
highly infective
rapidly spreading
transferable
catchable
pestilent
pandemic
epizootic
mephitic
contaminating
conveyable
vitiating
catchy
communicative
taking
epidemic
spreadable
“Injustice is spreading in this country like a malignant disease.”
Adjective
▲
Sinister or evil in nature
dark
evil
wicked
sinful
immoral
wrong
morally wrong
wrongful
bad
iniquitous
ungodly
unholy
irreligious
unrighteous
sacrilegious
profane
blasphemous
impious
godless
base
mean
vile
shameful
discreditable
unspeakable
foul
monstrous
shocking
outrageous
atrocious
abominable
reprehensible
hateful
detestable
despicable
odious
contemptible
horrible
heinous
execrable
diabolical
diabolic
fiendish
vicious
murderous
barbarous
black
rotten
perverted
reprobate
sordid
degenerate
depraved
dissolute
malicious
dishonorableUS
dishonourableUK
nefarious
dishonest
malevolent
unscrupulous
unprincipled
crooked
bent
warped
low-down
stinking
dirty
corrupt
shady
malfeasant
pernicious
dastardly
villainous
peccable
criminal
egregious
maleficent
repugnant
flagitious
more ❯
Adjective
▲
Giving the impression that something harmful or evil is happening or will happen
sinister
threatening
menacing
frightening
ominous
dire
scary
baleful
direful
forbidding
foreboding
inauspicious
alarming
spooky
creepy
eerie
portentous
ill
doomy
harmful
unfavourableUK
minatory
injurious
unpropitious
adverse
pernicious
evil
unfavorableUS
hurtful
deleterious
dark
disturbing
baneful
unfortunate
unlucky
bodeful
disquieting
disastrous
black
nasty
minacious
eldritch
malign
sinistrous
apocalyptic
lowering
minatorial
doomful
woeful
ill-boding
ill-omened
evil-looking
suggestive of evil
more ❯
Adjective
▲
Dangerous or hazardous in nature
unsafe
dangerous
hazardous
perilous
risky
parlous
precarious
threatening
chancy
insecure
hairy
serious
uncertain
treacherous
grave
dodgy
menacing
grievous
vulnerable
jeopardisingUK
jeopardizingUS
unhealthy
exposed
venturesome
unreliable
touchy
ticklish
explosive
erratic
destructive
alarming
harmful
slippery
defenselessUS
defencelessUK
unprotected
toxic
undependable
injurious
threatened
fearsome
untrustworthy
high-risk
touch-and-go
life-threatening
on thin ice
hanging by a thread
open to attack
on a limb
more ❯
Adjective
▲
Not characterized by or conducive to physical health or well-being
unwholesome
unhealthy
noxious
insalubrious
deleterious
contaminated
toxic
unhygienic
poisonous
harmful
unhealthful
foul
impure
detrimental
insanitary
injurious
pernicious
damaging
noisome
destructive
dangerous
baleful
baneful
septic
ruinous
tainted
inimical
rotten
sickly
venomous
malign
spoiledUS
spoiltUK
unnourishing
lethal
decayed
innutritious
unnutritious
virulent
junk
unsound
more ❯
Adjective
▲
Socially maladjusted or malignant
dysfunctional
disordered
maladjusted
injurious
maleficent
malevolent
unstable
hurtful
unbalanced
vindictive
toxic
disturbed
narcissistic
psychopathic
sick
sociopathic
socially impaired
malicious
abusive
unhappy
disharmonious
broken
Adjective
▲
Involving or caused by a physical or mental disease
pathological
morbid
diseased
deadly
ailing
allergic
bacteriological
infected
pathologic
unsound
viral
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See Also

Nearby Words
malignant cell
malignant edema
malignant growth
malignantly
malignant lymphoma of cattle
malignant narcissism
malignancy
malignancies
malignances
malignance
malign
malificent
9-letter Words Starting With
m
ma
mal
mali
malig
malign
maligna
malignan
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