Definition of Sisyphean
: of, relating to, or suggestive of the labors of Sisyphus
specifically
: requiring continual and often ineffective effort
a Sisyphean task
Keep scrolling for more
Seen & Heard
People are talking about
Test Your Vocabulary
Farm Idioms Quiz
-

- What does 'poke' refer to in the expression 'pig in a poke'?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors















Share Sisyphean
Time Traveler for Sisyphean
The first known use of Sisyphean was in 1635
See more words from the same year