|shinˈfāˌnizəm noun
( -s )
Usage: usually capitalized S&F
Etymology: Sinn Fein, national Irish society founded about 1905 (from Irish Gaelic sinn fēin we ourselves) + English -ism
1. : the doctrines, policies, or practices of Sinn Fein
2. : a movement based on the doctrines of Sinn Fein