From Longman Dictionary of Contemporary Englishunionismu‧nion‧is‧m /ˈjuːnjənɪzəm/ noun [uncountable] BELbelief in the principles of trade unions —unionist noun [countable]
Examples from the Corpus
unionism• The expansion of white-collar unionism was a particular feature of the most recent phase.• The survey holds even more dispiriting news for unionism.• Union leaders say he supports the concept of unionism, and rank-and-file workers call him a friend.• His autobiography makes it clear that Terence O'Neill had no sympathy with what he saw as parochial unionism.• Boal was a successful barrister who combined staunch unionism with a left-of-centre position on social and economic issues.• Mormon religious leaders generally became conservative Republicans who spoke out against trade unionism and welfare programs.• The reason for the change points again to the essential dilemma trade unionism faced.• The closed shop and the wildcat strike have undermined the legitimacy of modern trade unionism.UnionismUnionism noun [uncountable] the principles of those people in Northern Ireland, mainly Protestants, who want Northern Ireland to remain as part of the UK. There are several political parties that support these principles, including the Ulster Unionists and the Democratic Unionist Party. → compare Republicanism 