2
pernicious(adjective, characteristic, difficulty, pain)
2
poignant(adjective, characteristic, difficulty, pain)
2
punishing(adjective, characteristic, difficulty, pain)
2
rancorous(adjective, characteristic, difficulty, pain)
2
relentless(adjective, characteristic, difficulty, pain)
2
revengeful(adjective, characteristic, difficulty, pain)
2
rigorous(adjective, characteristic, difficulty, pain)
2
rough(adjective, characteristic, difficulty, pain)
2
sadistic(adjective, characteristic, difficulty, pain)
2
shy
2
sinful(adjective, characteristic, difficulty, pain)
2
spiteful(adjective, characteristic, difficulty, pain)
2
strenuous(adjective, characteristic, difficulty, pain)
2
taxing(adjective, characteristic, difficulty, pain)
2
tiring(adjective, characteristic, difficulty, pain)
2
toilsome(adjective, characteristic, difficulty, pain)
2
tough(adjective, characteristic, difficulty, pain)
2
troublesome(adjective, characteristic, difficulty, pain)
2
trying(adjective, characteristic, difficulty, pain)
2
tyrannical(adjective, characteristic, difficulty, pain)
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APASmart Define. (2015). allergic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/allergic/thesaurus/related
ChicagoSmart Define. 2015. "allergic thesaurus" https://smartdefine.org/allergic/thesaurus/related (accessed September 26, 2026).
HarvardSmart Define 2015, allergic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/allergic/thesaurus/related>.
MLASmart Define. "allergic thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/allergic/thesaurus/related>