Vigilant Law and Legal Definition
Vigilant means to be keenly watchful to detect danger, or wary of danger. It also refers to being ever awake and alert, or sleeplessly watchful. Vigilant persons are attentive to discover and evade dangers. The law usually helps vigilant persons. One who sleeps over his/her rights cannot approach the court after a long lapse. Courts do not provide a lenient attitude towards lawsuits introduced after a long lapse.