1. a person who calculates or judges the value, cost, size, or extent of something
2. a statistical function used to estimate an unknown parameter from sample data
Usage: statistics; mathematics

Examples

• The insurance estimator assessed the damage to our car after the accident.
• We hired a professional estimator to determine the cost of renovating our kitchen.
• The construction estimator provided a detailed breakdown of material and labor costs.
• In statistics class, we learned that the sample mean is an unbiased estimator of the population mean.
• The estimator calculated that the project would take six months to complete.
• A good estimator considers all relevant factors when making their assessment.