1. superlative form of exact; most precise, accurate, or strictly correct
Usage: superlative degree

Examples

• The exactest measurements are required for this scientific experiment.
• She gave the exactest description of the suspect to the police.
• The exactest replica of the painting was displayed in the museum.
• His exactest calculations proved the theory was correct.
• The exactest time for the meeting is 3:00 p.m., not 3:05.
• We need the exactest details to complete the report accurately.