Dictionary

invigilate

verb in·vig·i·late \in-ˈvi-jə-ˌlāt\

: to watch students who are taking an examination

in·vig·i·lat·edin·vig·i·lat·ing

Full Definition of INVIGILATE

intransitive verb
:  to keep watch; especially British :  to supervise students at an examination
transitive verb
in·vig·i·la·tion \-ˌvi-jə-ˈlā-shən\ noun
in·vig·i·la·tor \-ˈvi-jə-ˌlā-tər\ noun

Examples of INVIGILATE

  1. He was asked to invigilate next week.

Origin of INVIGILATE

Latin invigilatus, past participle of invigilare to stay awake, be watchful, from in- + vigilare to stay awake — more at vigilant
First Known Use: 1553

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