209 entries under adjective topic. ×

4
unfavourable
4
vile
3
awful(mean, nasty, offensive, foul)
3
base
3
cataclysmic(dreadful, harmful, injurious, damaging)
3
deathly
3
dreadful
3
hateful(mean, bad, evil, nasty)
3
iniquitous(bad, corrupt, immoral, distressing)
3
internecine(violent, cruel, harmful, injurious)
3
maleficent(bad, hurtful)
3
mephitic
3
nasty(mean, evil, cruel, wicked)
3
rotten
3
sinful(bad, evil, nasty, harsh)
3
spiteful(mean, bad, evil, nasty)
3
terrible
3
unhealthful(offensive, foul, disgusting, unhealthy)
2
atrocious(bad, evil, nasty, harsh)
2
brutal(evil, nasty, harsh, vicious)
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APASmart Define. (2016). pernicious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, pernicious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>.
MLASmart Define. "pernicious thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms>