1
ill-boding(adjective, negative emotions)
1
in poor condition(adjective, arouse bad feelings)
1
intimidatory(adjective, negative emotions)
1
lethal
1
lowery(adjective, negative emotions)
1
maleficent
1
mephitic
1
nocent(negative, distressing, harmful, injurious, damaging)
1
pestiferous(injurious, damaging, destructive, noxious, toxic)
1
pestilential(injurious, damaging, destructive, noxious, toxic)
1
risky(injurious, damaging, destructive)
1
severe(adjective, negative emotions)
1
sinful(injurious, damaging, destructive)
1
terrorizing(adjective, negative emotions)
1
toxic(adjective, injurious, damaging, destructive, noxious)
1
ugly(adjective, negative emotions)
1
unuseful
1
vile(adjective, negative emotions)
1
virulent(injurious, damaging, destructive, noxious, toxic)
1
warning(adjective, negative emotions)
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APASmart Define. (2016). nocuous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nocuous/thesaurus/synonyms
ChicagoSmart Define. 2016. "nocuous thesaurus" https://smartdefine.org/nocuous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, nocuous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nocuous/thesaurus/synonyms>.
MLASmart Define. "nocuous thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/nocuous/thesaurus/synonyms>