Synonyms|222Antonyms|54|Broader|50Narrower|120Related|405

73 entries under difficulty topic. ×

11
harsh(adjective, characteristic, pain)
11
severe(adjective, medicine, characteristic, disease)
11
virulent(adjective, medicine, characteristic, disease)
5
painful(adjective, characteristic, pain)
3
callous(adjective, characteristic, pain)
3
cold-blooded(adjective, characteristic, pain)
3
hard-hearted(adjective, characteristic, pain)
3
heartless(adjective, characteristic, pain)
3
ruthless(adjective, characteristic, pain)
3
unfeeling(adjective, characteristic, pain)
3
unkind(adjective, characteristic, pain)
2
atrocious(adjective, characteristic, pain)
2
backbreaking(adjective, characteristic, pain)
2
barbarous(adjective, characteristic, pain)
2
bestial(adjective, characteristic, pain)
2
bitter(adjective, characteristic, pain)
2
bloodthirsty(adjective, characteristic, pain)
2
brutal(adjective, characteristic, pain)
2
brutish(adjective, characteristic, pain)
2
burdensome(adjective, characteristic, pain)
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APASmart Define. (2015). allergic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/allergic/thesaurus/related
ChicagoSmart Define. 2015. "allergic thesaurus" https://smartdefine.org/allergic/thesaurus/related (accessed September 24, 2026).
HarvardSmart Define 2015, allergic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/allergic/thesaurus/related>.
MLASmart Define. "allergic thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/allergic/thesaurus/related>