3
detestable
3
disserviceable
3
envenomed
3
excruciating(adjective, endured)
3
execrable
3
extreme(adjective, endured)
3
fulsome
3
grewsome(adjective, endured)
3
grisly(adjective, endured)
3
harrowing(adjective, endured)
3
harsh(adjective, endured)
3
horrifying(adjective, endured)
3
infected(adjective, dirty, corrupt, disgusting, unhealthy)
3
infectious(adjective, catching, spreading)
3
inimical(adjective, negative, antagonistic, contrary, harmful)
3
insufferable(adjective, endured)
3
insupportable(adjective, endured)
3
intense(adjective, endured)
3
intolerable(adjective, endured)
3
lousy(adjective, bad, offensive, unpleasant, foul)
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APASmart Define. (2015). noxious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms
ChicagoSmart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, noxious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>.
MLASmart Define. "noxious thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/noxious/thesaurus/synonyms>