Vĭg'i-lant, a.

a. [Fr. vigilant, Sp., Pg., & It. vigilante, Lat. vigilans, p. pr. of vigilare, to watch, from vigil, awake.] Attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect.

Be sober, be vigilant. 1 Pet. v. 8.

Take your places, and be vigilant. Shak.