39 entries under harmful topic. ×

41
deadly(adjective, bad, evil, painful, suffering)
31
lethal(adjective, bad, evil, live)
20
mortal(adjective, bad, evil, live, grave)
20
suicidal(adjective, violent, cruel, killing)
19
disastrous(adjective, help, painful, suffering, dreadful)
18
pernicious(adjective, bad, evil, dreadful, grave)
18
ruinous(adjective, help, painful, suffering, dreadful)
17
catastrophic(adjective, help, painful, suffering, dreadful)
17
poisonous(adjective, dangerous, deadly, lethal)
16
baneful(adjective, bad, evil, injurious)
14
baleful(adjective, bad, evil, injurious)
13
calamitous(adjective, help, painful, suffering, dreadful)
11
cataclysmic(adjective, help, painful, suffering, dreadful)
10
noxious(adjective, bad, evil, dangerous)
10
toxic(adjective, bad, evil, dangerous)
7
damaging(adjective, bad, evil, dangerous)
7
devastating(adjective, bad, evil, wicked, dreadful)
7
dire(adjective, sad, heavy, painful, suffering)
6
injurious(adjective, bad, evil, wicked)
5
deleterious(adjective, bad, evil, injurious)
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APASmart Define. (2016). fatal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fatal/thesaurus/synonyms
ChicagoSmart Define. 2016. "fatal thesaurus" https://smartdefine.org/fatal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, fatal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fatal/thesaurus/synonyms>.
MLASmart Define. "fatal thesaurus" 3 April 2016. Web. 22 September 2026. <https://smartdefine.org/fatal/thesaurus/synonyms>