invigilate ( invigilates 3rd person present) ( invigilating present participle) ( invigilated past tense & past participle ) Someone who invigilates an examination supervises the people who are taking it in order to ensure that it starts and finishes at the correct time, and that there is no cheating.
I've taught sixth formers and invigilated exams. V n, Also V
invigilator ( invigilators plural) n-count
...an exam invigilator.
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