Exact Match:
- Herculean
- extremely difficult; requiring the strength of a Hercules; "a herculean task"
- displaying superhuman strength or power; "herculean exertions"
Synonyms:
- Antaean,
- Atlantean,
- Briarean,
- Brobdingnagian,
- Cyclopean,
- Gargantuan,
- Homeric,
- abstruse,
- abysmal,
- arduous,
- astronomic,
- backbreaking,
- brutal,
- burdensome,
- colossal,
- complex,
- critical,
- crushing,
- delicate,
- demanding,
- difficile,
- difficult,
- effortful,
- elephantine,
- enormous,
- epic,
- exacting,
- forced,
- formidable,
- gargantuan,
- giant,
- giantlike,
- gigantic,
- grueling,
- hairy,
- hard,
- hard-earned,
- hard-fought,
- heavy,
- hefty,
- heroic,
- huge,
- immense,
- infinite,
- intricate,
- jawbreaking,
- jumbo,
- killing,
- knotted,
- knotty,
- labored,
- laborious,
- mammoth,
- mean,
- mighty,
- monster,
- monstrous,
- monumental,
- mountainous,
- no picnic,
- not easy,
- onerous,
- operose,
- oppressive,
- painful,
- prodigious,
- profound,
- punishing,
- rigorous,
- rough,
- rugged,
- set with thorns,
- severe,
- spiny,
- steep,
- strained,
- strenuous,
- stupendous,
- thorny,
- ticklish,
- titanic,
- toilsome,
- tough,
- towering,
- tremendous,
- tricky,
- troublesome,
- uphill,
- vast,
- wearisome,
- wicked