Pronunciation: [ sis-uh-fee-uhn ]
Definition: adjective
endless and unavailing, as labor or a task
Origin: Mid 17th century; Greek
Etymology: from Latin Sisypheius (based on Greek Sisuphos)
Usage:
Synonyms:
unending
unavailing
Antonyms:
completed
finished
Example:
Her relentless pursuit of perfection is a Sisyphean task.