Is “Turbo” a Scrabble word?
Yes
TURBO
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 Turbo
/ˈtɜːbəʊ/
noun
1.Turbocharger.
2.Turbojet.
3.Turbomolecular pump.
verb
1.To autofire.
adjective
1.With rapidly-increasing blind levels.
“This is a turbo tournament: the blinds increase every 5 minutes! Level 1 = 150/300; level 2 = 200/400; etc.”
2.Causing or relating to increased speed.
“a turbo button on a controller; a PC equipped with a turbo mode”