50 entries under severe topic. ×

1
difficile(tough, painful, problematic, trying)
1
difficult(adjective, hard, tough, harsh)
1
easier said than done(expression, tough, painful, problematic)
1
effortful(tough, painful, problematic, trying)
1
gargantuan(tough, painful, problematic, trying)
1
hard(adjective, rough, harsh, unpleasant)
1
hard-won(tough, painful, problematic, trying)
1
heavy(tough, harsh, painful, problematic)
1
herculean(tough, painful, problematic, trying)
1
immense(tough, painful, problematic, trying)
1
labored(tough, painful, problematic, trying)
1
laborious(tough, harsh, heavy, painful)
1
no picnic(expression, tough, painful, problematic)
1
not easy(expression, tough, painful, problematic)
1
operose(tough, painful, problematic, trying)
1
problem(tough, painful, problematic, trying)
1
problematic(tough, painful, trying)
1
prohibitive(tough, painful, problematic, trying)
1
rigid(tough, painful, problematic, trying)
1
stiff(tough, painful, problematic, trying)
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APASmart Define. (2015). galling thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/galling/thesaurus/synonyms
ChicagoSmart Define. 2015. "galling thesaurus" https://smartdefine.org/galling/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, galling thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/galling/thesaurus/synonyms>.
MLASmart Define. "galling thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/galling/thesaurus/synonyms>