1. In Greek and Roman mythology, a hero of extraordinary strength and courage, famous for completing twelve difficult tasks.
Usage: Proper noun; often capitalized; Also called Heracles in Greek tradition
2. A person of great strength, power, or ability; someone capable of performing difficult feats.
Usage: Common noun; often lowercase when used metaphorically

Examples

• In ancient mythology, Hercules was known for his incredible strength and bravery.
• The athlete was called a Hercules for his outstanding performance in the competition.
• Completing this project will require a Hercules of effort and determination.
• The construction crew worked like Hercules to finish the bridge ahead of schedule.
• She proved to be a modern-day Hercules in overcoming her challenges.
• The Twelve Labors of Hercules are among the most famous stories in classical mythology.