Added 10 October 2026 hercules noun Categories: PeopleNatureRare Words noun ! Definition from WordNet 3.1, Princeton University. More about hercules at Wordnik → Where our words come from → (classical mythology) a hero noted for his strength; performed 12 immense labors to gain immortality. A large constellation in the northern hemisphere between Lyra and Corona Borealis. Related Words: alcidesheraklesheraclesnikeaircraftbeetlehercsylvesterchauncey130herculecolossus Back to today's word