74 entries under hard topic. ×

3
backbreaking(adjective, difficult, harsh, heavy)
3
complicated(adjective, tough, rough, difficult)
3
importunate(adjective, tough, firm, difficult)
3
nagging(adjective, tough, severe, harsh)
3
pressing(verb, adjective, tough, firm)
3
querulous(adjective, tough, difficult, annoyed)
3
tall(adjective, difficult, unreasonable, exaggerated)
2
exorbitant
2
grievous(adjective, tough, difficult, harsh)
2
grueling(adjective, tough, severe, difficult)
2
hairy(adjective, tough, severe, rough)
2
intricate(adjective, tough, severe, difficult)
2
no picnic(expression, tough, severe, rough)
2
steep
2
stiff(adjective, tough, severe, rough)
2
tiresome(adjective, tough, severe, harsh)
1
backbreaker(adjective, tough, severe, difficult)
1
intemperate(adjective, severe, rough, difficult)
1
labored(adjective, tough, severe, difficult)
1
murder(adjective, tough, severe, rough)
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APASmart Define. (2015). demanding thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/demanding/thesaurus/synonyms
ChicagoSmart Define. 2015. "demanding thesaurus" https://smartdefine.org/demanding/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, demanding thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/demanding/thesaurus/synonyms>.
MLASmart Define. "demanding thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/demanding/thesaurus/synonyms>