117 entries under hard topic. ×

8
effortful(adjective, great, tough, rough)
8
wearing(adjective, dull, difficult, awkward)
7
forced(adjective, difficult)
7
labored(adjective, great, tough, rough)
7
tedious(adjective, dull, difficult, tender)
6
Herculean(adjective, strong, tough, severe)
6
rigorous(adjective, tough, severe, rough)
3
wicked(adjective, difficult, informal)
2
hairy(adjective, severe, rough, difficult)
2
mean(adjective, severe, rough, difficult)
2
terrible(adjective, tough, severe, rough)
2
threatening(tough, severe, offensive, weighty)
2
unpleasant(severe, difficult, tender, offensive)
1
alarming(severe, offensive, distressing, upsetting)
1
disagreeable(severe, tender, offensive, raw)
1
discomforting(severe, difficult, offensive, distressing)
1
dismaying(great, tough, severe, difficult)
1
disquieting(severe, offensive, distressing, upsetting)
1
distressing(adjective, severe, rough, difficult)
1
embarrassing(severe, difficult, offensive, distressing)
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APASmart Define. (2016). laborious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms
ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>