12 entries under difficult topic. ×

1
ambitious(adjective, hard, tough, severe)
1
arduous(adjective, hard, tough, severe)
1
bothersome(adjective, hard, tough, severe)
1
challenging(adjective, hard, tough, severe)
1
demanding(adjective, hard, tough, severe)
1
exacting(adjective, hard, tough, severe)
1
hard(noun, adjective, work, tough)
1
onerous(adjective, hard, tough, severe)
1
severe(adjective, hard, tough, painful)
1
tough(adjective, hard, severe, painful)
1
trying(adjective, hard, tough, severe)
0
fussy(adjective, hard, tough, problematic)
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APASmart Define. (2015). backbreaker thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/backbreaker/thesaurus/synonyms
ChicagoSmart Define. 2015. "backbreaker thesaurus" https://smartdefine.org/backbreaker/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, backbreaker thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/backbreaker/thesaurus/synonyms>.
MLASmart Define. "backbreaker thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/backbreaker/thesaurus/synonyms>