INVIGILATE's Sentences and Contexts

Learn INVIGILATE from sentences of classic books. The app collects 10,000 middle or hard words; input your word, you not only get its meaning and example, but also have sentences and their contexts from classic literatures.

 Sentences of invigilate
v. watch diligently; keep watch over examination candidates to prevent cheating
Last week I had to invigilate another exam at work.
Sentence in Classic: