Sisyphean [sis-ə-FEE-ən]
Part of speech: adjective
Origin: Latin, 17th century
1. Denoting or relating to a task that can never be completed.
Examples of sisyphean in a sentence
"Trying to keep my cats from getting into the bag of treats feels like a Sisyphean challenge."
"Beach cleanup days can feel Sisyphean, but preserving the ecosystem is a worthwhile project."
