1. past tense and past participle of overestimate; to estimate something as being larger, greater, better, or more important than it actually is

Examples

• I overestimated how long the project would take.
• The company overestimated demand for their new product.
• She overestimated her ability to finish the marathon.
• The budget was overestimated by nearly twenty percent.
• He overestimated the difficulty of the exam and studied too much.
• The weather forecast overestimated the chance of rain.
• They overestimated the number of guests who would attend.