composed of or involving members of all of the political parties of a country
the report of an all-party parliamentary committee
Examples of 'all-party' in a sentence
all-party
As an all-party group, its findings carry huge weight.
The Sun (2016)
It would require the informal consent of the government and all-party support.
Times, Sunday Times (2008)
To those politically committed souls already aware that an all-party group is a different creature from a select committee, the groups were regarded as essentially benign.