1. continued to exist or occur over a prolonged period
Usage: past tense of persist
2. continued firmly or obstinately in an opinion or course of action in spite of difficulty, opposition, or failure
Usage: past tense of persist

Examples

• The rain persisted throughout the entire weekend.
• Despite multiple rejections, she persisted in applying for the job.
• The strange noise persisted even after we turned off all the machines.
• He persisted in his belief that he was right.
• The symptoms persisted for several weeks after treatment.
• She persisted with her piano practice despite finding it difficult.
• The problem persisted until we replaced the faulty part.