5
massive(adjective, big, huge, vast, immense)
5
titan(adjective, feature, characteristic, size)
5
tough(adjective, strong, severe, difficulty, difficult)
4
arduous(adjective, tough, severe, difficulty, difficult)
4
elephantine(adjective, big, size)
4
healthy
4
hearty
4
hefty(adjective, strong, solid, vigorous, sturdy)
4
muscular(adjective, strong, strength, solid, brawny)
4
superhuman
4
toilsome(adjective, tough, severe, difficulty, difficult)
3
courageous(adjective, strong, powerful)
3
hale
3
humongous(adjective, size)
3
husky(adjective, strong, solid, big, vigorous)
3
king-size(adjective, huge, vast, copious)
3
masculine
3
massy(adjective, big, giant)
3
onerous(adjective, tough, severe, difficulty, difficult)
3
operose(adjective, tough, severe, difficulty, difficult)
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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>