U ‧ nion ‧ ist /ˈjuːnjənəst, ˈjuːnjənɪst/ BrE AmE noun [countable]
a member of a political party that wants Northern Ireland to remain part of the United Kingdom
—Unionism noun [uncountable]
U ‧ nion ‧ ist /ˈjuːnjənəst, ˈjuːnjənɪst/ BrE AmE noun [countable]
a member of a political party that wants Northern Ireland to remain part of the United Kingdom
—Unionism noun [uncountable]
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012