1. a person who tests or evaluates someone’s knowledge, skills, or qualifications
2. a person who inspects or investigates something carefully

Examples

• The examiner asked difficult questions during the oral exam.
• She worked as an examiner for the state licensing board.
• The medical examiner determined the cause of death.
• An independent examiner reviewed the company’s financial records.
• The driving test examiner failed three students that day.
• The patent examiner rejected the application for lack of novelty.
• Each examiner was assigned twenty test papers to grade.