- of Hercules
- having the great size, strength, or courage of Hercules; very powerful or courageous
- calling for great strength, size, or courage; very difficult to do: a herculean task
- often herculean Of unusual size, power, or difficulty.
- Greek & Roman Mythology a. Of or relating to Hercules.b. Resembling Hercules.
- Alternative capitalization of Herculean.