1. a prolonged and bitter quarrel or dispute between two parties, families, or groups

1. to engage in a prolonged quarrel or dispute

Examples

• The two families had been locked in a bitter feud for generations.
• The feud between the neighboring countries lasted for decades.
• She decided to end the feud and make peace with her former friend.
• The celebrity couple continued to feud publicly after their divorce.
• The business partners began feuding over control of the company.
• Their feud started over a property dispute but escalated into something much worse.