Synonyms|74Antonyms|1|Broader|0Narrower|0Related|8

39 entries under harmful topic. ×

1
fatal(adjective, injurious, damaging, deadly)
1
fell(adjective, injurious, damaging, deadly)
1
hurtful(adjective, injurious, damaging, deadly)
1
injurious(adjective, damaging, deadly, fatal)
1
internecine(adjective, injurious, damaging, deadly)
1
lethal(adjective, injurious, damaging, deadly)
1
mortal(adjective, injurious, damaging, deadly)
1
noisome(adjective, injurious, damaging, deadly)
1
noxious(adjective, injurious, damaging, deadly)
1
pernicious(adjective, injurious, damaging, deadly)
1
pestiferous(adjective, injurious, damaging, deadly)
1
pestilential(adjective, injurious, damaging, deadly)
1
ruinous(adjective, injurious, damaging, deadly)
1
slaughterous(adjective, injurious, damaging, deadly)
1
suicidal(adjective, injurious, damaging, deadly)
1
toxic(adjective, injurious, damaging, deadly)
1
venomous(adjective, injurious, damaging, deadly)
1
wrackful(adjective, injurious, damaging, deadly)
1
wreckful(adjective, injurious, damaging, deadly)
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APASmart Define. (2013). lethiferous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lethiferous/thesaurus/synonyms
ChicagoSmart Define. 2013. "lethiferous thesaurus" https://smartdefine.org/lethiferous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, lethiferous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lethiferous/thesaurus/synonyms>.
MLASmart Define. "lethiferous thesaurus" 19 May 2013. Web. 28 September 2026. <https://smartdefine.org/lethiferous/thesaurus/synonyms>