Is “Tidal” a Scrabble word?
Yes
TIDAL
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 Tidal
/ˈtaɪd(ə)l/
adjective
1.Relating to tides