invigilate
🇺🇸
/ɪnˈvɪdʒɪleɪt/
🇬🇧
/ɪnˈvɪdʒɪleɪt/
to watch over students taking a test to ensure they follow the rules.
Mrs. Smith had to invigilate the students during the final exams.
スミス夫人は期末試験中に学生を監視しなければなりませんでした。