Vig"i*lant (?), a. [L. vigilans, -antis, p. pr. of vigilare to watch, fr. vigil awake: cf. F. vigilant. See Vigil.]
Attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect; wary.
"Be sober, be
vigilant."
1 Pet. v. 8.
Sirs, take your places, and be vigilant.
Shak.
© Webster 1913.