Nitpicker

Pronunciation: /ˈnɪtˈpɪkɝ/

Nitpicker (noun)

  1. A person who criticizes very small details, often in a way that annoys others.
  2. Someone who checks work carefully for tiny errors and insists on perfect accuracy.

Examples

  • A nitpicker notices small detail mistakes in every report.
  • The nitpicker points out small detail errors before anyone else sees them.