— vigilantly , adv. — vigilantness , n.
/vij"euh leuhnt/ , adj.
1. keenly watchful to detect danger; wary: a vigilant sentry.
2. ever awake and alert; sleeplessly watchful.
[ 1470-80; vigilant- (s. of vigilans ), prp. of vigilare to be watchful. See VIGIL, -ANT ]
Syn. 2. wide-awake, sleepless. See alert .
Ant. 1. careless.