Definition of cross-party in US English:

cross-party

adjective

  • Involving or relating to two or more political parties.

    • ‘Parties have also drawn on cross-party sources for policy advice.’
    • ‘This is the result of the parties thinking about cross-party reconciliation.’
    • ‘The rigorous action by federal interior ministers has led to cross-party protests within the national parliament.’
    • ‘It was launched to illustrate the strength of local feeling to the county council and cross-party councillors gave their full support to the campaign.’
    • ‘Beyond that, it is a revolt against cross-party rule by political oligarchies, frustrating the known wishes of the population.’
    • ‘I look forward to support for that from the other Opposition parties for a cross-party view of this matter.’
    • ‘We had been given an indication from other political parties in this House that we would have cross-party support to deal with this issue.’
    • ‘A cross-party committee of Privy Counsellors has produced a report which heavily criticises this part of the Act.’
    • ‘This perhaps reflected the high level of cross-party support by leading politicians, and all but one of the national newspapers.’
    • ‘If Taiwan wants to stay on the road of democracy, then cross-party cooperation will be a step in the right direction.’
    • ‘He said honours should be decided by a cross-party committee of MPs instead of ministers and civil servants.’
    • ‘Last week the council agreed to set up a cross-party working party to investigate all aspects of operations at the tip.’
    • ‘The supporters' trust had hoped the issue wouldn't become a political football and wanted cross-party support.’
    • ‘The council today insisted the licensing committee included cross-party representation and would be impartial.’
    • ‘It is a bill that has the cross-party support of all parties and all members of the House.’
    • ‘The standing committees are an empty formality, and the cross-party select committees have no power.’
    • ‘Both are cross-party bodies, but have a strong Conservative presence.’
    • ‘On Saturday the ruling and opposition parties convened for cross-party negotiations.’
    • ‘The German government's policy was the product of cross-party coalition and European market strength.’
    • ‘The cross-party political response that ensued provides important lessons that Britain has failed to learn.’
    collaborative, collective, communal, combined, common, joint, shared, mutual, united, unified, allied, pooled, mass, concerted, coordinated, interactive, unanimous, harmonious
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Usage

Although it appears occasionally in American writing to denote cooperation between the two main political parties, the term cross-party does not compete very effectively with the default term bipartisan. Cross-party is far more common in other English dialects, and in American English to describe political cooperation in other countries

Pronunciation

cross-party

/krɔsˈpɑrdi//krôsˈpärdē/