This summer GovTrack ran a survey of its users to learn more about the siteâs effectiveness. The survey, run in collaboration with mySociety, revealed something ...
adjective. The definition of intergovernmental is things that happens between two or more governments or nations, or between levels of the same government.1  An example of intergovernmental is the United Nations; an intergovernmental agency. An example of intergovernmental is a meeting with representatives of a state senate and the United States Senate; an intergovernmental meeting.
In 1956, Paul Henri Spaak led the Intergovernmental Conference on the Common Market and Euratom at the Val Duchesse castle, which prepared for the Treaty of Rome in 1957. The conference led to the signature, on 25 March 1957, of the Treaty of Rome establishing a European Economic Community.