Sisyphean

[ sis-uh-fee-uh n ]
/ ˌsɪs əˈfi ən /
|

adjective

of or relating to Sisyphus.
endless and unavailing, as labor or a task.

Origin of Sisyphean

1625–35; < Greek Sīsýphe(ios) (Sī́syph(os) Sisyphus + -eios adj. suffix) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for sisyphean

Sisyphean

/ (ˌsɪsɪˈfiːən) /

adjective

relating to Sisyphus
actually or seemingly endless and futile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sisyphean

Sisyphean


adj.

"pertaining to or resembling the unceasingly recurring and fruitless labors of Sisyphus," 1630s, from Sisyphus + -an. Earlier Sisyphian (1590s).

Online Etymology Dictionary, © 2010 Douglas Harper