35 entries under painful topic. ×

8
formidable(adjective, tough, severe, difficult, heavy)
8
heavy(adjective, tough, severe, difficult, harsh)
8
tough(adjective, great, severe, rough, difficult)
6
burdensome(adjective, tough, severe, rough, difficult)
6
uphill(adjective, great, tough, severe, difficult)
5
demanding(adjective, tough, severe, difficult, harsh)
4
exacting(adjective, tough, severe, difficult, harsh)
4
trying(verb, adjective, hard, tough, severe)
3
operose(adjective, tough, severe, difficult, awkward)
3
wearisome(adjective, tough, severe, difficult, awkward)
2
challenging(verb, adjective, great, tough, severe)
2
herculean(adjective, tough, severe, difficult, awkward)
2
stiff(tough, severe, difficult, problematic)
2
titanic(tough, severe, problematic, trying)
2
troublesome(adjective, tough, severe, difficult, awkward)
1
ambitious(tough, severe, problematic, trying)
1
backbreaker(tough, severe, problematic, trying)
1
bothersome(adjective, tough, severe, rough, difficult)
1
crucial(tough, severe, problematic, trying)
1
difficile(adjective, tough, severe, rough, difficult)
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APASmart Define. (2015). effortful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/effortful/thesaurus/synonyms
ChicagoSmart Define. 2015. "effortful thesaurus" https://smartdefine.org/effortful/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, effortful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/effortful/thesaurus/synonyms>.
MLASmart Define. "effortful thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/effortful/thesaurus/synonyms>