- 1the Commonwealth used in the official names of, and to refer to, some states (Kentucky, Massachusetts, Pennsylvania, and Virginia) the Commonwealth of Virginia The city and the Commonwealth have lost a great leader.
- 2an independent area that is strongly connected to the U.S. Puerto Rico remains a U.S. commonwealth, not a state.
- 3Commonwealth used in the names of some groups of countries or states that have chosen to be politically linked with each other the Commonwealth of Independent States (CIS)
- 4the Commonwealth an organization consisting of the United Kingdom and most of the countries that used to be part of the British Empire a member of the Commonwealth Commonwealth countries
Check pronunciation: commonwealth