1. to perform better than expected or beyond one’s apparent ability
Usage: past tense of overachieve

Examples

• The team overachieved this season by making it to the championship game.
• She overachieved in math class despite struggling with the subject initially.
• The small company overachieved its sales targets by 200 percent.
• Many said he overachieved by getting into such a prestigious university.
• The rookie player overachieved in his first professional season.
• The students overachieved on the standardized test compared to previous years.