Definition: associated with a thing that is endless or appears to be so
Part of Speech: Adjective
Synonym(s): futile, ineffective
1. It took the entire football team to accomplish the Sisyphean feat.
2. Even after two months, I still hadn’t finished the Sisyphean task of filing the boxes of documents.
3. The term Sisyphean originated with the mythological Sisyphus who was punished by having to complete a never-ending task.