- cancerous
- deadly
- destructive
- fatal
- lethal
- mortal
- internecine
- pestilential
- poisonous
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
TRY USING malignant
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How to use malignant in a sentence
The Nigerian neurotech entrepreneur who speaks five languages has developed a modem-sized device that can sniff out explosives in public spaces and diseases, including malignant tumors in humans.
MATRIX 2021: IS NEUROTECH ‘THE ONE’ THAT’LL SAVE US?SEAN CULLIGANAPRIL 4, 2021OZY
But in a malignant war there is injustice of ignobler kind at once to God and man, which must be stemmed for both their sakes.
PEARLS OF THOUGHTMATURIN M. BALLOU
Mrs. Haight regarded the radiant young hostess with a malignant stare, prudently veiled by drooping lids.
ANCESTORSGERTRUDE ATHERTON
They were framed with malignant ingenuity, so as to leave no chance of escape save in open apostasy.
THE CATACOMBS OF ROMEWILLIAM HENRY WITHROW
SYNONYM OF THE DAY
OCTOBER 26, 1985
WORDS RELATED TO MALIGNANT
- calamitous
- deadly
- dire
- evil
- foreboding
- harmful
- hurtful
- injurious
- malevolent
- malignant
- noxious
- ominous
- pernicious
- ruinous
- sinister
- threatening
- venomous
- vindictive
- woeful
- bad-tempered
- cattish
- catty
- despiteful
- hateful
- malevolent
- malicious
- malignant
- mean
- nasty
- overbearing
- venomous
- vicious
- vindictive
- wicked
- alarming
- bad
- breakneck
- chancy
- critical
- dangersome
- deadly
- delicate
- dynamite
- exposed
- fatal
- formidable
- hairy
- heavy
- hot
- impending
- impregnable
- insecure
- jeopardous
- loaded
- malignant
- menacing
- mortal
- nasty
- no-go
- on collision course
- parlous
- perilous
- portentous
- precarious
- pressing
- queasy
- risky
- serious
- serpentine
- shaky
- speculative
- terrible
- thorny
- threatening
- ticklish
- touch-and-go
- touchy
- treacherous
- ugly
- unhealthy
- unsafe
- unstable
- urgent
- viperous
- vulnerable
- wicked
- baleful
- baneful
- bloodthirsty
- bloody
- cannibalistic
- carcinogenic
- cruel
- dangerous
- death-dealing
- deathly
- deleterious
- destroying
- destructive
- fatal
- grim
- harmful
- homicidal
- injurious
- internecine
- killing
- lethal
- malignant
- mortal
- mortiferous
- murderous
- noxious
- pernicious
- pestiferous
- pestilent
- pestilential
- poisonous
- ruthless
- savage
- slaying
- suicidal
- toxic
- unrelenting
- venomous
- violent
- virulent
- baleful
- baneful
- bloodthirsty
- bloody
- cannibalistic
- carcinogenic
- cruel
- dangerous
- death-dealing
- deathly
- deleterious
- destroying
- destructive
- fatal
- grim
- harmful
- homicidal
- injurious
- internecine
- killing
- lethal
- malignant
- mortal
- mortiferous
- murderous
- noxious
- pernicious
- pestiferous
- pestilent
- pestilential
- poisonous
- ruthless
- savage
- slaying
- suicidal
- toxic
- unrelenting
- venomous
- violent
- virulent
- disdainful
- hateful
- malevolent
- malign
- malignant
- mean
- nasty
- scornful
- spiteful
- vicious
- vindictive
- wicked
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.