1
brave
1
burly(strong, solid, vigorous, sturdy, robust)
1
challenging(adjective, tough, severe, difficult, awkward)
1
cogent
1
considerable
1
cosmic
1
crucial(tough, severe, painful, problematic, trying)
1
deep
1
difficile(adjective, tough, severe, rough, difficult)
1
easier said than done(expression, tough, severe, painful, problematic)
1
exceptional
1
extensive
1
fabulous
1
fantastic(adjective, huge, vast, copious)
1
fatiguing(adjective, hard, tough, rough, difficult)
1
galactic
1
galling(tough, severe, painful, problematic, trying)
1
gigantesque(adjective, big)
1
godlike
1
grand
13 years ago|14k views|share |citing 
APASmart Define. (2013). herculean thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/herculean/thesaurus/synonyms
ChicagoSmart Define. 2013. "herculean thesaurus" https://smartdefine.org/herculean/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2013, herculean thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/herculean/thesaurus/synonyms>.
MLASmart Define. "herculean thesaurus" 28 June 2013. Web. 30 September 2026. <https://smartdefine.org/herculean/thesaurus/synonyms>