73 entries under difficult topic. ×

4
demanding(adjective, dull, hard, tough)
4
grueling(adjective, hard, tough, severe)
4
harrowing(adjective, unpleasant, grim, savage)
4
heavy(adjective, dull, awkward, boring)
4
irksome(adjective, dull, awkward, boring)
4
murderous
4
oppressive(adjective, dull, hard, tough)
4
rigorous(adjective, hard, tough, severe, rough)
4
trying(adjective, dull, hard, tough)
4
uphill(adjective, hard, rough, heavy)
2
Herculean(adjective, tough, rough, heavy)
2
backbreaking(adjective, hard, severe, rough)
2
distressing(adjective, tough, severe, rough)
2
effortful(adjective, hard, severe, rough)
2
formidable(adjective, hard, tough, severe, rough)
2
grinding(adjective, tough, severe, rough)
2
operose(adjective, hard, tough, rough)
2
rough(adjective, hard, tough, heavy)
1
bothersome(adjective, hard, tough, rough)
1
complicated(adjective, complete, rough, exact)
10 years ago|17k views|share |citing 
APASmart Define. (2016). exhausting thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/exhausting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exhausting thesaurus" https://smartdefine.org/exhausting/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, exhausting thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/exhausting/thesaurus/synonyms>.
MLASmart Define. "exhausting thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/exhausting/thesaurus/synonyms>