32 entries under rough topic. ×

35
laborious(adjective, work, hard, tough, severe)
29
hard(adjective, tough, severe, difficult)
28
arduous(adjective, hard, tough, severe)
24
difficult(adjective, hard, tough, severe)
23
tough(adjective, hard, severe, difficult)
20
knotty(adjective, hard, severe, difficult)
7
heavy(adjective, tough, severe, difficult)
7
strenuous(adjective, hard, tough, severe)
5
formidable(adjective, tough, severe, difficult)
3
uphill(adjective, tough, severe, difficult)
2
demanding(adjective, tough, severe, difficult)
2
difficile(adjective, tough, severe, difficult)
2
exacting(adjective, tough, severe, difficult)
2
exhausting(adjective, hard, tough, difficult)
2
hairy(adjective, tough, severe, difficult)
2
irksome(adjective, tough, difficult, heavy)
2
mean(adjective, severe, difficult, violent)
2
no picnic(expression, hard, tough, severe)
2
rigorous(adjective, hard, tough, severe)
2
slavish(adjective, tough, difficult, heavy)
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APASmart Define. (2015). operose thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/operose/thesaurus/synonyms
ChicagoSmart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, operose thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>.
MLASmart Define. "operose thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms>