1. strong, often blind support for a particular political party, cause, or person
2. the state of being divided into opposing political parties or factions

Examples

• The senator’s extreme partisanship made it difficult for him to work across the aisle.
• Rising partisanship in Congress has led to frequent legislative gridlock.
• The judge was criticized for showing partisanship in her rulings.
• Political partisanship often prevents meaningful compromise on important issues.
• The newspaper’s editorial board tried to avoid partisanship in their coverage.
• Bitter partisanship has made civil political discourse increasingly rare.
• The committee’s work was hampered by partisan divisions and mutual distrust.