35
swingeing(adjective, feature, characteristic, size)
35
terrific(adjective, feature, characteristic, size)
34
largest(adjective, feature, characteristic, size)
15
titanic(adjective, tough, severe, big, large)
14
mighty
13
strong
12
gargantuan(adjective, strong, tough, severe, big)
10
laborious(adjective, strong, hard, tough, severe)
9
giant(adjective, big, large, size, huge)
8
cyclopean(adjective, big, greatness, giant)
7
hard(adjective, strong, difficulty, difficult, powerful)
7
powerful(adjective, strong, solid, vigorous, sturdy)
7
strenuous(adjective, strong, tough, severe, difficult)
6
difficult(adjective, hard, tough, difficulty, rough)
6
hardy
6
mammoth(adjective, big, size, huge, immense)
6
vast(adjective, big, size, huge, immense)
5
Brobdingnagian(adjective, big, giant)
5
brawny(adjective, strong, strength, solid, powerful)
5
heroic(adjective, strong, big, powerful)
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APASmart Define. (2013). herculean thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/herculean/thesaurus/synonyms
ChicagoSmart Define. 2013. "herculean thesaurus" https://smartdefine.org/herculean/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, herculean thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/herculean/thesaurus/synonyms>.
MLASmart Define. "herculean thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/herculean/thesaurus/synonyms>