1. continuing to exist or occur over a prolonged period
Usage: present participle of persist
2. continuing firmly in an opinion or course of action despite difficulty or opposition
Usage: present participle of persist

Examples

• The rain has been persisting for three days straight.
• Despite the criticism, she is persisting with her research.
• The symptoms are persisting even after treatment.
• He kept persisting in his efforts to solve the problem.
• The company is persisting with its expansion plans.
• The cold weather is persisting into April this year.