noun: an act of staying awake, especially at night, in order to be with a person who is very ill or dying, or to make a protest, or to pray:
His parents kept vigil beside his bed for weeks before he died.
Supporters of the peace movement held an all-night candlelit vigil outside the cathedral.
noun: vigilance: more careful attention, especially in order to notice possible danger:
The police said that it was thanks to the vigilance of a neighbour that the fire was discovered before it could spread.
adj: vigilant: always being careful to notice things, especially possible danger:
Following the bomb scare at the airport, the staff have been warned to be extra vigilant.
adv: vigilantly:
I’m watching the situation vigilantly.
His beloved black dog, Bruno, sat vigilantly by his side.
