Is “Brinkmanship” a Scrabble word?
Yes
BRINKMANSHIP
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 Brinkmanship
/ˈbɹɪŋkmənʃɪp/
noun
1.Pursuit of an advantage by appearing to be willing to risk a dangerous policy rather than concede a point.
“The diplomat accused the other nation's leader of brinkmanship for refusing to redeploy the troops along their nations' shared border.”