Is “Cardsharp” a Scrabble word?
Yes
CARDSHARP
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Cardsharp
/ˈkɑːdʃɑːp/
noun
1.A professional cheater at card games.
“One of Tim’s great-grandparents had been a cardsharp in the wild west, and had been shot dead during a game.”
Synonyms: broadsman, card mechanic, cardshark, cardsharper