Is “Gamesmanship” a Scrabble word?
Yes
GAMESMANSHIP
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 Gamesmanship
noun
1.The use of legal but unsporting tactics to gain an advantage over one’s opponent
“They kept the other team waiting on the field until the last possible moment – that was a clear case of gamesmanship.”