- 1[countable] a government formed by two or more political parties working together to form a coalition a two-party coalition a coalition government
- 2[countable] a group formed by people from several different groups, especially political ones, agreeing to work together for a particular purpose a coalition of environmental and consumer groups
- 3[uncountable] the act of two or more groups joining together They didn't rule out coalition with the Social Democrats.
Check pronunciation: coalition