Synonyms|213Antonyms|17|Broader|0Narrower|1Related|152

54 entries under problematical topic. ×

7
heavy(adjective, tough, severe, rough, difficult)
7
strenuous(adjective, hard, tough, severe, rough)
5
formidable(adjective, tough, severe, rough, difficult)
4
onerous(adjective, tough, severe, difficult, awkward)
4
troublesome(adjective, tough, severe, difficult, awkward)
4
wearisome(adjective, tough, severe, difficult, awkward)
3
effortful(adjective, tough, severe, difficult, awkward)
3
uphill(adjective, tough, severe, rough, difficult)
2
demanding(adjective, tough, severe, rough, difficult)
2
difficile(adjective, tough, severe, rough, difficult)
2
exacting(adjective, tough, severe, rough, difficult)
2
exhausting(adjective, hard, tough, rough, difficult)
2
hairy(adjective, tough, severe, rough, difficult)
2
herculean(adjective, tough, severe, difficult, awkward)
2
irksome(adjective, tough, rough, difficult, heavy)
2
labored(adjective, hard, tough, severe, difficult)
2
mean(adjective, severe, rough, difficult, violent)
2
rigorous(adjective, hard, tough, severe, rough)
2
slavish(adjective, tough, rough, difficult, heavy)
2
tiring(adjective, hard, tough, rough, difficult)
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APASmart Define. (2015). operose thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/operose/thesaurus/synonyms
ChicagoSmart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, operose thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>.
MLASmart Define. "operose thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms>