Is “Shutoff” a Scrabble word?
Yes
SHUTOFF
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 Shutoff
noun
1.A valve used to turn off something.
“The fire raged for hours because they were unable to reach the shutoff for the gas line.”
2.The act of turning off something.
“The letter warned of an impending shutoff if payment was not made promptly.”