2
challenging(adjective, great, tough, severe, difficult)
2
clayey
2
contrary(adjective, difficult)
2
dense
2
depressed(adjective, weary)
2
difficile(adjective, tough, severe, rough, difficult)
2
distressing(adjective, hard, severe, rough, difficult)
2
draining
2
enervating
2
faint(adjective, weary)
2
feeble(adjective, weary)
2
forced
2
hairy(adjective, hard, tough, severe, rough)
2
impenetrable
2
irksome(adjective, hard, severe, difficulty, rough)
2
lowering
2
lumbering
2
mean(adjective, hard, rough, difficult, heavy)
2
no picnic(hard, tough, severe, difficult, painful)
2
overweight
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APASmart Define. (2015). toilsome thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/toilsome/thesaurus/synonyms
ChicagoSmart Define. 2015. "toilsome thesaurus" https://smartdefine.org/toilsome/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, toilsome thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/toilsome/thesaurus/synonyms>.
MLASmart Define. "toilsome thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/toilsome/thesaurus/synonyms>