sisyphean is a valid English word

Scrabble validity: invalid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (NOT COMPARABLE)

Incessant or incessantly recurring, but futile.
• Synonym: herd cats, like painting the Forth Bridge
(Greek mythology) Relating to Sisyphus.

sisyphean is not a Scrabble valid word

sisyphean

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 00 points

sisyphean is an iScramble, QuickWords valid word

sisyphean

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• YESMANSHIP

Same letters minus one

• ESPANISH
• PANSYISH
• SPANISHY
• SYNPHASE