Alert
Pronunciation : A*lert"
Part of Speech : a.
Etymology : [F. alerte, earlier ? l'erte on the watch, fr. It. all' erta on the watch, prop. (standing) on a height, where one can look around; erta a declivity, steep, erto steep, p. p. of ergere, erigere, to erect, raise, L. erigere. See Erect.]
Definition : 1. Watchful; vigilant; active in vigilance.
2. Brisk; nimble; moving with celerity. An alert young fellow. Addison.
Syn. -- Active; agile; lively; quick; prompt.
Source : Webster's Unabridged Dictionary, 1913
Pronunciation : A*lert"
Part of Speech : n. (Mil.)
Definition : Defn: An alarm from a real or threatened attack; a sudden attack; also, a bugle sound to give warning. "We have had an alert." Farrow. On the alert, on the lookout or watch against attack or danger; ready to act.
Source : Webster's Unabridged Dictionary, 1913