1
disparaging(damaging, hurtful, detrimental, derogatory, unflattering)
1
effluvial
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
fateful(adjective, arouse bad emotions)
1
fell(adjective, harmful, injurious, damaging, deadly)
1
forbidding(adjective, arouse bad emotions)
1
full of mischief(expression, idiom, inexpedience)
1
grim(adjective, arouse bad emotions)
1
hateful(adjective, mean, bad, wrong, evil)
1
hazardous(harmful, injurious, detrimental)
1
hopeless
1
hostile(adjective, arouse bad emotions)
1
in poor condition(adjective, arouse bad feelings)
1
iniquitous(bad, distressing, harmful, damaging, deadly)
1
insalutary(adjective, offensive, foul, disgusting, harmful)
1
internecine(adjective, violent, cruel, harmful, injurious)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
libellous
1
low(adjective, mean, evil, nasty, corrupt)
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APASmart Define. (2016). deleterious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deleterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "deleterious thesaurus" https://smartdefine.org/deleterious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, deleterious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deleterious/thesaurus/synonyms>.
MLASmart Define. "deleterious thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/deleterious/thesaurus/synonyms>