287 entries under adjective topic. ×

13
fatal(dangerous, deadly, diseased, lethal)
12
detrimental(mean, bad, evil, nasty)
12
noxious(help, mean, bad, evil)
11
baneful(help, offensive, foul, harmful)
11
deleterious(mean, bad, evil, nasty)
11
sinister(bad, evil, nasty, negative)
10
injurious(mean, bad, evil, nasty)
10
bad(mean, evil, nasty, corrupt)
10
dangerous(bad, heavy, treacherous, unsafe)
10
lethal(dangerous, deadly, diseased)
9
cancerous(diseased, spreading)
9
disadvantageous(injurious, damaging, destructive, inexpedience)
9
hostile(mean, nasty, cold, negative)
9
mean(animal, nasty, attitude, cruel)
9
mischievous(mean, evil, nasty, wicked)
9
toxic(offensive, foul, unhealthy, dangerous)
8
mortal(dangerous, deadly, diseased)
7
antagonistic(mean, nasty, cold, negative)
7
damaging(bad, negative, vile, hateful)
7
pestilential(help, unhealthy, deadly, diseased)
10 years ago|19k views|share |citing 
APASmart Define. (2016). malignant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/malignant/thesaurus/synonyms
ChicagoSmart Define. 2016. "malignant thesaurus" https://smartdefine.org/malignant/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, malignant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/malignant/thesaurus/synonyms>.
MLASmart Define. "malignant thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/malignant/thesaurus/synonyms>