42 entries under severe topic. ×

1
exhausting(adjective, hard, tough, rough)
1
galling(tough, painful, problematic, trying)
1
gargantuan(tough, painful, problematic, trying)
1
hairy(adjective, hard, tough, rough)
1
hard-won(tough, painful, problematic, trying)
1
herculean(adjective, tough, difficult, awkward)
1
immense(tough, painful, problematic, trying)
1
intractable(adjective, strong, hard, tough)
1
intricate(adjective, tough, difficult, complex)
1
irksome(adjective, hard, tough, rough)
1
irritating(tough, painful, problematic, trying)
1
mean(adjective, hard, tough, rough)
1
no picnic(hard, tough, difficult, painful)
1
not easy(expression, tough, painful, problematic)
1
problem(tough, painful, problematic, trying)
1
problematic(tough, painful, trying)
1
prohibitive(tough, painful, problematic, trying)
1
rigid(tough, affected, painful, problematic)
1
serious(adjective, hard, tough, rough)
1
trying(hard, tough, rough, difficult)
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APASmart Define. (2016). labored thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/labored/thesaurus/synonyms
ChicagoSmart Define. 2016. "labored thesaurus" https://smartdefine.org/labored/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, labored thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/labored/thesaurus/synonyms>.
MLASmart Define. "labored thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/labored/thesaurus/synonyms>