invigilator
/ɪnˈvɪdʒəleɪtər/
noun
- A person who supervises students during an exam to ensure rules are followed.
- If you have a question, raise your hand and wait for the invigilator.
- The invigilator walked quietly between the rows of desks.
- The invigilator collected all the papers exactly when time was up.
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