Is “Cost” a Scrabble word?
Yes
COST
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 Cost
/ˈkɑst/
verb
1.To incur a charge of; to require payment of a (specified) price.
“It will cost you a lot of money to take a trip around the world.”
2.To cause something to be lost; to cause the expenditure or relinquishment of.
“Trying to rescue the man from the burning building cost them their lives.”
3.To require to be borne or suffered; to cause.