1. relating to or representing the whole Christian church or all Christian churches
Usage: formal; often used in religious contexts
2. promoting unity among different Christian denominations or religions
Usage: formal

Examples

• The ecumenic council brought together bishops from many different Christian traditions.
• The church's ecumenic mission seeks to build bridges between various faith communities.
• Ecumenic dialogue has helped reduce tensions among Protestant and Catholic leaders.
• The organization promotes ecumenic understanding and cooperation across religious boundaries.
• Her ecumenic approach to theology emphasizes shared Christian values over doctrinal differences.