Sisyphus definition by Webster's New World
Origin: Classical Latin ; from Classical Greek Sisyphos
Sisyphus definition by American Heritage Dictionary
noun Greek Mythology
Origin: Latin Sisyphus, from Greek Sisuphos.
Sisyphus - Cultural Definition
A king in classical mythology who offended Zeus and was punished in Hades by being forced to roll an enormous boulder to the top of a steep hill. Every time the boulder neared the top, it would roll back down, and Sisyphus would have to start over.
- A difficult and futile endeavor may be called a “labor of Sisyphus” or a “Sisyphean task.”