54 entries under problematical topic. ×

7
onerous(adjective, tough, rough, difficult, heavy)
5
wearying(adjective, tough, rough, difficult, heavy)
3
heavy(adjective, severe, rough, difficult, harsh)
3
troublesome(adjective, rough, difficult, harsh, heavy)
3
uphill(adjective, tough, rough, difficult, heavy)
3
wearisome(adjective, tough, rough, difficult, heavy)
2
bothersome(adjective, tough, rough, difficult, heavy)
2
demanding(adjective, rough, difficult, harsh, heavy)
2
exacting(adjective, rough, difficult, harsh, heavy)
2
exhausting(adjective, tough, severe, rough, difficult)
2
formidable(adjective, tough, severe, rough, difficult)
2
rigorous(adjective, tough, severe, rough, difficult)
2
strenuous(adjective, tough, severe, rough, difficult)
1
difficile(adjective, tough, rough, difficult, heavy)
1
distressing(adjective, tough, severe, rough, difficult)
1
effortful(adjective, tough, rough, difficult, harsh)
1
fatiguing(adjective, tough, severe, rough, difficult)
1
grueling(adjective, severe, difficult, harsh, heavy)
1
hairy(adjective, tough, rough, difficult, heavy)
1
irksome(adjective, severe, rough, difficult, offensive)
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APASmart Define. (2015). grinding thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grinding/thesaurus/synonyms
ChicagoSmart Define. 2015. "grinding thesaurus" https://smartdefine.org/grinding/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, grinding thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grinding/thesaurus/synonyms>.
MLASmart Define. "grinding thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/grinding/thesaurus/synonyms>